Much has happened over 33 episodes! If you are  a newcomer (better late than never!) or haven't been for a while - here is an an overview  - with a few plot points that may come into play: 
~ Angry over unpaid debts and a Casino losing money, crime boss Uncle Tony took over daily management of the Oasis, demoting Joey to card dealer and Frankie to custodian.    

~ Peggy Sue was hired as a chambermaid then became an apprentice to Bobby, Casino Accountant.  She stole his three sets of accounting books and showed Uncle Tony that his staff had been skimming profits. Tony was livid and ordered ex-pugilist Rudy to break Frankie’s arms. Vincent the Entertainment Director, Bobby, and Joey were all guilty and feared for their lives. There was a Life Insurance policy on cousin Rudy worth $2 million that would be paid to the Casino upon his demise, but if married would go to his widow.

~ FBI Agent Mac Ranker showed up to investigate the murders of two insurance men found buried in the desert. Lloyd Bentley had been killed by Rudy to protect movie star Libby Montgomery. She stole half a million in insurance money, which was later taken by Bobby. Both Bobby and Tony had beaten Groat, the other insurance man, to death. 
~ Libby agreed to marry Rudy to keep their secret; as a married couple, they could not testify against each other.
   
~ Meanwhile...Fiona had gotten lucky at the slots, and had a one-night fling with Joey, who had once been in love with long-departed Showgirl Veronica Starr. There was rivalry amongst the Showgirls Audrey and Virginia.
~ Bellhop Jonesy was crushed to learn that his former flame Peggy Sue was now engaged to Uncle Tony.   He tidied the Penthouse, unwittingly tossing the crooked set of books, as well as the FBI Agent’s evidence about the murders.  

Newcomer or haven't been to Vegas for a while? Start here! A Summary of the main plot points as the show steams ahead toward the season finale...   
~ Movie star Libby Montgomery lost her earrings worth half a million. She found the earrings but did not stop the insurance claim she had initiated. Lloyd Bentley the Insurance Agent arrived with $500,000 in a briefcase, but then accosted Libby. Bouncer/former boxer Rudy Bellini defended her and beat the man to death; he buried the body in the desert. Libby kept the money and hid it in her suite.  Casino Accountant Bobby de Faro stole most of her cash, with plans to pay off the Casino’s large debt to Uncle Tony, head of the Family.

 ~ An Insurance Investigator named Orrin Groat arrived and began asking questions. In separate incidents, both Uncle Tony and Bobby beat the stranger - without knowing who he was or why he was there.  Rudy buried another body in the desert.
~ Libby had agreed to a long engagement to Rudy in order to keep their secret about Lloyd. Rudy surprised her with a wedding ceremony, but she stalled and did not sign the license. Rudy revealed the Casino had a Life Insurance policy on him that, in the event of his demise - would pay two million to the Casino, or to his widow if he was married.   

~ Demoting several people, crime boss Uncle Tony took over daily management of the Casino. He was unhappy to learn from his girlfriend Peggy Sue, the new accounting apprentice  - that staff had been skimming profits. Entertainment Director Vincent Martino, Casino Accountant Bobby de Faro, Former boss Joey Calligari and card dealer Frankie were all guilty of stealing cash or messing with the books - and feared for their lives. They were aware that cashing in cousin Rudy’s Life Insurance policy would more than repay the debt.

 ~ FBI Agent Mac Ranker recently arrived at the Hotel to investigate the murders of Groat and Bentley. Both bodies had both been found in the desert, with evidence leading to the Casino.      

~ FBI Agent Mac Ranker interrogated Libby, who confessed she had seen Rudy kill Lloyd Bentley. Ranker arrested Rudy and handcuffed him in the office, while he enjoyed the early show featuring Fiona Olaconacher telling tall tales and singing Irish melodies. When Libby found Rudy, she signed the wedding license learning she could inherit two million in life insurance if he was given the death penalty.  Rudy then informed her that spouses can not testify against each other. 

~ Frankie told everyone he broke his arm in a barn accident, but Vincent was suspicious. Peggy Sue revealed that Frankie’s broken arm was a lesson for stealing from Uncle Tony. She also told Vincent she had seen his falsified Entertainment budget.

~ Bobby assured Joey he had recreated plausible accounting books, laying the ground work to blame Peggy Sue.  They were taken aback when Uncle Tony revealed his plans to propose to her.  Tony forced Bobby and Joey to admit they had been skimming. But Tony offered a deal:  if they cut cards and Joey drew the high card, his debt would be forgiven. But if Tony drew high, Joey would give up his stake in the Casino and remain an employee.  Tony won.  

~ After reminiscing with Vincent about time in the Foxhole, and refusing to do the Early Show, Johnny Taupe performed a sizzling tribute to The Blarney Stone at the Late Show.  His Showgirl Shaniqua sparked rivalry amongst the Showgirls.

~ A despondent Jonesy told Peggy Sue he still loved her, but she urged him to move on. Jonesy told Fiona he was ready to date someone more mature.  On Libby’s urging Jonesy cleaned up the Penthouse, unwittingly taking the original accounting books to destroy, along with the silver briefcase that held Ranker’s evidence linking Lloyd’s murder to Rudy and Libby.   

~Libby showed Ranker the marriage license, insisting he no longer had a case and would have to release Rudy.  Before departing, Ranker handed her a file labelled ‘Wink Winklestein.’

 ~ Gambler Fiona assured Libby that she had written the director of “Florence of Arabia” on her behalf; they imagined what her role in the movie might be like. 
~ Casino accountant Bobby received a delivery of blank accounting books and ‘personal items.’ His apprentice Peggy Sue confessed that she had stolen the old books and shown the inconsistencies to an enraged Uncle Tony.    
~ Ex-boxer Rudy told his fiancée Libby that he had a life insurance policy worth two million which would either go to his widow - or to the Casino if he was unmarried at the time of his demise.
~ Guilty of skimming profits, Bobby, Joey and Vincent all feared for their lives. They decided to pin the blame on Peggy Sue, and if they needed to replace the missing funds, there was that life insurance policy on Rudy... Later, they were angry when Rudy revealed he had left a Thank You Card with the stranger he had buried in the desert.     
~ FBI Agent Mac Ranker told Frankie they had dug up two murdered men.  Mac also told Libby her signed photo was found in the briefcase owned by one of the deceased, Mr. Bentley of Bentley Insurance - the company that insured her earrings for half a million. Libby told him she had cancelled her insurance claim, and pretended not to know anything about the stolen payout.    
~ Bellhop Jonesy was despondent that Peggy Sue was rumoured to be dating Uncle Tony. Fiona and Audrey the Showgirl encouraged him to speak from his heart.   
~ With Virginia the Junior Showgirl on a ‘time out’, Audrey enjoyed the solo spotlight on the Show Lounge, until Libby impulsively took to the stage as a Showgirl.
~ Uncle Tony gave Peggy Sue a gun to protect herself, which gave her a thrill. In discussing a shared future, Tony seemed to propose marriage ...  
~ Following orders from Uncle Tony, Rudy took Frankie behind the curtains to break his arms - a lesson for stealing cash from the Casino.  

~ Stunned at the office break-in, in which three sets of accounting books were stolen,  Vincent  and Bobby feared for their lives. Vincent suggested they create new books, so Bobby ordered some from his connection. Joey felt they should try to replace the half-million dollars in ‘losses’. Fiona advised them to stall or create a diversion.   
~ Rudy had compliments for Virginia, but was unimpressed with Audrey when she failed to trick Libby into signing his marriage license.    
~ Unsure if her wedding to Rudy was legit and if so, what the terms were, Libby sought legal advice. Rudy offered to be her lawyer and represent her  – against himself.  Libby was shocked when Rudy gifted her with her own Pink Diamonds of Tanzania, as she had given the earrings to Bobby to lock in the hotel safe.   
~ Peggy Sue told Uncle Tony that she had stolen the accounting books in order to examine them. She was sure the books held proof that staff had been skimming his casino profits. She also told Tony that Frankie had pocketed wads of casino cash.
~ An enraged Uncle Tony tasked Rudy with breaking Frankie’s arms.
~ After the Amazing Confoundo performed on the Show Lounge, Vincent had his hands full dealing with an escalating rivalry between the Showgirls; he gave Virginia a ‘time out’, for which Bellhop Jonesy taunted her.  
 ~ And a stranger looking for two insurance men introduced himself to Frankie ... as FBI. 

a~ Thinking it was a ‘skit’, Libby playfully said “I do”, but was shocked to learn the wedding ceremony was real. She frantically sought loopholes and advice from Fiona. 
~ Meanwhile, Joey told Rudy that his marriage would only be legal if Libby signed the license. Rudy then sent Audrey to ask Libby for her ‘autograph’.
~ Bobby confided to Joey that he had beaten a stranger to death;  his business card identified him as ‘Orrin Groat - Insurance Investigator’.
~ Vincent reprimanded Audrey for keeping rival showgirl Virginia in a tipsy/hungover state.
~ Ethel Merman dazzled on the Show Lounge, and paid a courtesy visit to Libby.   
~ Peggy Sue and Frankie impulsively stole all the sets of accounting books from the office; Bobby was floored at what appeared to have been a break-in. 

~ After Bobbie and Fiona callously tossed the once-again-unconscious and possibly dead ginger-headed stranger into the hallway, they discussed accessories. Later, Fiona felt guilty that her scream to ‘wake up’ the stranger may have caused his demise.
~ Peggy Sue and Uncle Tony had an awkward ‘Morning After’ in the Penthouse. 
~ Libby was incensed to discover Peggy Sue alone in her bed, and accused her of attempted burglary. A food fight ensued, which ended in a detente. 
~ Frankie told Joey that Virginia said, a few weeks ago, she had overheard Libby and Rudy discussing a murder.  A great deal of confusion then ensued over who may have killed who.  
~ Uncle Tony and Bobbie compared notes and realized they had both beaten the same ginger-haired stranger.  Rudy came in to ask Uncle Tony to officiate his wedding, and blurted that he had killed a different man - but being mobsters, they took no note of this. 
 ~ Vincent reprimanded Audrey for giving Virginia her first taste of alcohol.
~ Backed by the Showgirls, Johnny Taupe sizzled on the Camel’s Toe Show Lounge with tribute songs to love, sex, heartbreak, one-night-stands and canteloupe.
~ Libby sang ‘Funny Valentine’, which Rudy took as his cue to assemble his entire bridal party on the show lounge stage, in order to surprise Libby with a wedding...

~ Peggy Sue pushed her way into the office to discover a bloodied man on the floor. Uncle Tony admitted to having beaten him. Invigorated by this brush with violence, Peggy Sue was wildly passionate in the bedroom - but Uncle Tony was disconcerted by her unexpected behaviour.
~ Bobbie returned to his office to discover the stranger passed out in his office, and had no idea what had happened.  When Orrin awoke he was startled and attacked Bobbie, so Bobbie had no choice but to beat the tar out of the stranger a few times. 
~ Fiona returned to the Casino and was surprised to learn of the numerous job changes amongst the staff.
~ Rudy set about planning a surprise wedding, enlisting people to be part of the bridal party – but Joey and Vincent remained unconvinced that Libby was really his fiancée.   Finding Libby’s Pink Diamonds of Tanzania in his pants, Rudy forgot why he had them, and handed the valuable earrings over to Vincent. 
~ Libby decided she would be the new headliner at the Camel’s Toe Lounge and performed a song with a Spanish theme. Bellhop Jonesy Ford also took to the stage to tell jokes, but had less success.
~ Encouraged by Audrey, Virginia had her first taste of alcohol. A tipsy Virginia blurted out to Frankie that she had overheard Rudy and Libby discussing a murder, but Frankie may not have understood the significance of what she was saying.

~Joey got Frankie to swap jobs with him, so Frankie had to clean the Penthouse Suite while Joey took on dealing cards in the Casino.
~ Peggy Sue confided to Audrey that she had fallen for Uncle Tony. Jonsey overheard and his heart was broken once again.
~ Libby and Uncle Tony were not impressed with the quality of the pre-poured martinis.
~ Vincent worked the phones, trying to book celebrities for the Show Lounge.  He asked Libby to step in and perform a song.
~ Rudy pressed Libby to set a date for their wedding.
~ When it became clear that newcomer Orrin Groat was pretending to be Canadian, Uncle Tony got suspicious and proceeded to beat the tar out of him.  
~ Peggy Sue explained to Uncle Tony that she had been blamed for stealing the earrings he had given her.  

~  Libby was unhappy in her new digs behind the show lounge, entreating both Vincent and Joey to move her back into the Penthouse. Libby expressed another concern to Rudy privately - that she had met a man who was looking for his ‘old friend’ Lloyd Bentley.
~ Uncle Tony was drunkenly despondent over his divorce from Marie. He decided to take over hand-on management of the Casino, and offered former boss Joey a job as janitorial staff.  Joey was relieved to accept, as it meant he wasn’t going to get whacked.
~ Rudy realized this job change would put Joey under his direct supervision. Rudy made a slip and revealed to Joey that he was secretly engaged to Libby.  Bobbie was chuffed to be promoted to Executive Accountant.  
~ Virginia debuted a new costume and dance, and played games with Frankie the Dealer and Jonesy the Bellhop.   
 ~ Vincent was thrilled to introduce The Great Hornacio The Great and his 7 piece Cuban ‘Land of Jazz’ Jazz Band on the Camel’s Toe Show Lounge.