The new owner of the Montecito is revealed to be Monica Mancuso a young woman who married a billionaire and inherited his fortune. Ed is worried that the Montecito will be the next target for a robbery after several attacks on other casinos. Ed tries to convince Monica to postpone the opening to be better prepared, but she refuses. Ed entices Danny to rejoin the Montecito and he then gets Sam to return for the opening and bring some of biggest whales.

The casino has reopened. Ed and Mike work on a case of counterfeit casino chips. Per his accountanta 's suggestion, Danny must sell his fathera 's house. Later, Dannya 's accountant is part of a poker game where one of the players is a man who robs one of the casinoa 's guests. Monica Mancuso, the new owner, wants a dealer to be fired because he keeps dealing winning hands to the players.

Danny is with blackjack player Gabe Labrador who's wearing a wig and counting cards. The man doesn't want to stop playing and claims he must win big to pay off the men who kidnapped his daughter. Ed, Mike, Danny and a cop from Metro work on the case even though they aren't sure Gabe is telling the truth. Mary seems to still be helping Danny taking care of his dad's stuff. She is still dating Jake. A player who won a lot of money wants to give it back, but then wants it back, then wants to give it again, etc. Sam and Woody (from Crossing Jordan) are getting very well acquainted... Jordan from Crossing Jordan is also in this episode.

Sam's whale is named Trey Cooper, a handsome 30-year-old who brought his Great Dane to the casino. There are a lot of dogs around the casino as the Nevada State Dog Show is taking place. Jillian enters the Deline's dog in the competition. Monica and Danny meet with an 80-year-old woman named Dottie. Monica offers 3 million for Dottie's house in order to complete the golf course. Things become complicated when construction workers find a skeleton when they raze Dottie's house. A CSI believes it could be the body of Seymour Blue Jaw Magoon, a member of a 40s gang called Murder Inc. Mike helps a couple who's stuck together. Jake seems to still be in Mary's life. Mike is still helping Danny to find information on the woman his father was dating before he died.

After Ed's doctor warns him that his blood pressure is dangerously high, Ed becomes the victim of identity theft. Sam's half-brother visits. Mike borrows Ed's Aston Martin with unforeseen consequences.

Sam's brother is staying longer than expected because he's having an affair with Monica. Danny tracks down the woman who appears on pictures with his father and makes a shocking discovery. Ed finally has enough of Monica and quits.

Danny buys a plate that is depicts the logo of Lester Collette's Jubilee Hotel and Casino from 1962. The Jubilee was situated on land where the Montecito is located. Members of the current Montecito staff take on different roles in this retrospective of the Rat Pack era in Las Vegas.

The Montecito has an exhibition of the Star of Kashmir a priceless sapphire on loan from the Indian Government. Monica has the security systems turned off, tries the necklace on and then it goes missing. Will Danny be able to find it before the thief escapes with it? Meanwhile, Monica tries to woo Ed back to the Montecito.

The Montecito plays host to a comic book convention and Monica is mistaken for a character called Mothwoman. Danny sees that Monica is losing it and contacts Casey about a possible takeover, Monica finds out and demands that Danny meet her on the roof, only for her to become the victim of a freakish accident.

Casey Manning, who was poised for a hostile takeover, is now forced into a backup plan after Monica's accident. Monica leaves the Montecito to a charity. Delinda falls in love with a blind man but he is keeping a big secret from her.

When a televised national poker tour comes to the Montecito Danny and Mike have a hunch that someone is cheating so they investigate security footage despite protests from the show's producers. Meanwhile, Ed gets a little hot under the collar his wife Jillian decides to visit and old flame. Elsewhere, upset with Casey's low divorce settlement offer, Sam insists on half ownership of the casino but due to an out-of-state legal technicality, Casey withdraws his initial settlement offer and threatens to take her to court to keep everything.

When diamonds are stolen from the Montecito pool during a taping of a Lil' Flip music video, Danny finds himself relying on amateur sex video footage to track down the thief. Meanwhile, Mike and Ed investigate a suspicious craps player who rolls tens every time. Elsewhere, Sam and Mary set out to reveal Mike's secret life as a male stripper named Hot Chocolate.

With great fanfare, the Montecito prepares for the grand opening of Wolfgang's seventh Vegas restaurant, Wolfgang Puck at the Montecito. Elsewhere, hotel guests become frightened when they begin having ghostly encounters. Danny and Ed are certain there is an explanation, while Mike is convinced the ghost is Monica. Meanwhile, Sam wagers a bet with her nemesis, Paul Logan, to see who is the best casino host in Vegas...the loser must leave town for good.

When an eye-opening $2.9 million irregularity is discovered in the casino's auditing report, the ensuing investigation points to the late Monica Mancuso as the culprit.Meanwhile, Danny's former marine sergeant is signed on as a security guard, but his hard-nosed style rubs people the wrong way. Also, Mike a meteorologist wannabe, gets an opportunity to report the weather.

The Montecito hosts a car show, and Nascar Nextel Cup Series driver Jimmie Johnson comes to Las Vegas to act as celebrity judge. During his stay, he receives plenty of attention from the ladies, Mary and Delinda, who make it clear how much they would love to go for a ride.Meanwhile, an urban legend comes to life when Danny and Mike enter one of the hotel rooms to discover a man missing a kidney lying in a bathtub full of ice.Sam's newest whale comes with a unique problem, palmar hyperhidrosis (a.k.a. sweaty palms), and to deal with him, she must teach Ed the casino host ropes.

When Monica's friend, Norma Pitts, finds a finger in the Montecito's new buffet, she has everyone worried she'll sue. However, Norma tells Ed she doesn't intend to sue; she wants only one thing...Danny. Using surveillance footage, Ed, Danny and Mike discover that the finger belonged to a Montecito employee and are shocked when they find out how he lost it. Meanwhile, Sam finds her self with tough customer, Oliver Grimaldi. The nicer she is the tougher he becomes. Perhaps he likes mean girls?

When Danny apprehends a chip thief, the thief complicates matters by claiming he met someone who plans to blow up the Montecito Ed sees this as the thief's ploy to get out of trouble; Danny feels they must investigate Meanwhile, Sam hears rumors about Travis, the new masseur, and decides to conduct her own investigation. Mary arranges a cook-off between Gunter and Wolfgang Puck that results in ruffled feathers.

Mary finds herself nervously coordinating an extravagant wedding for one of Sam's biggest whales. Meanwhile, Ed and Danny are up against card counters of very unusual sorts. Elsewhere, Mike chases a woman who, unbeknownst to him, is attending a Born Again Virgins conference.

Danny and Mike find themselves investigating a string of robberies in the residential suites and, in their spare time, posing for a charity beefcake calendar. Meanwhile, Jillian panics when a pop psychologist whose seminar she's attending says her marriage to Ed sets a bad example and may be the reason Delinda remains single. Jillian browbeats Ed into a counselling session with her new mentor.

Even Danny and Delinda are surprised when sparks fly between them. They decide to keep their romance a secret, but can they? Complicating things further, matchmaker Jillian decides to fly Delinda's college beau Dr. Derek in as a surprise. Meanwhile, Montecito owner Casey declares that all department heads must go on a team building paintball retreat and while there, Casey tries his luck with Mary.

Ed and Jillian set off on a retreat that proves to be anything but peaceful. Meanwhile, Danny and Mike contend with a suspicious heavy hitter who wants to bet a million dollars a hand. Elsewhere, love is in the air and things are turning very serious for Delinda and Dr. Derek.

Delinda answers Dr. Derek's marriage proposal. Meanwhile, a couple of high rollers suspect their spouses are cheating, so Danny and Mike investigate; and Sam and Woody depart for a romantic getaway.

Old romances - and simmering conflicts - resurface as one of the ladies prepares for her nuptials. Meanwhile, Ed's CIA past comes back to haunt him, threatening his life.