When one of the Montecito's guests wins big, his wallet is snatched before he can indulge in his winnings, forcing Danny , Sam and Ed to search the premises for the thieves. When the wallet is graciously returned, Danny and Sam give the Good Samaritan a priceless reward. Elsewhere, there is a suspicious machine on the floor with an unusually high payout pattern, and it's up to the Montecito's security team to figure out if it's a defective machine or a strategically deceiving guest. Meanwhile, Ed's thoughts are preoccupied with jealousy and suspicion when he finds out that Jillian (Cheryl Ladd) has been hanging out with the artist playing at the Montecito, Marc McGrath (as himself) and an overzealous agent pesters Mary trying to get her talent-less client a gig at the Montecito.

Nessa is stunned when a mysterious woman shows up at the Montecito with news that her father is alive and wants to communicate with her. She begins to question what Ed has told her of her father's whereabouts which leads her right into a trap that affects the whole casino. Meanwhile, when a video gaming convention takes over the hotel, Sam, Danny and Mike have to police fraudulent acts of plagiarism. Elsewhere, Mary befriends a hotel guest who lost her husband after ten year s of marriage and is desperate to keep his memory alive.

When a local restaurateur (and mother of a Montecito showgirl) is approached by petty mobsters, Ed enlists the support of a long-time friend "Frank the Repairman" (guest star Sylvester Stallone) to quash their extortion attempts. As the two navigate their way through the local mob's hierarchy, Ed discovers that he has a decades-old connection to the ringleader. Elsewhere, Danny and Mike feverishly work to reclaim $100,000 stolen from the casino by a cunning thief. Once the thief's identity is revealed, Danny concocts a clever scheme to make good on the money before Ed discovers the truth. Meanwhile, Joe Rogan (as himself ) visits the casino in search of a little R & R. Sam , Delinda and Nessa who are desperate to be contestants on Joe's show, compete with each other for his attention.

In the third season premiere, Ed's got major problems as the revamped Montecito struggles to finish work in time to re-open on new boss' Monica Mancuso's (Lara Flynn Boyle) schedule as he also tries to lure back Danny and his former staff to prevent a suspected "smash-and-grab" heist that has hit other casinos. But convincing Danny and the gang proves to be difficult since each has his or her reasons for leaving, and what's more, Ed suspects two construction hard-hats are planning an inside robbery once the Montecito's doors swing open again amid much fanfare.

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

Danny imagines to be back in the 60s when the Montecito was called the Jubilee. Ed becomes the new president of the casino. He makes Danny the director of entertainment and Mike the head of security. Mary is a waitress who gets a promotion. Delinda opens a dress shop. And Sam starts out as a call girl.

Almost three million dollars have disappeared from Montecito. The gaming commission has to clear Casey's licence and the missing money becomes an issue. Despite being dead, it seems Monica still gets Montecito in troubles. A live weather report is to be aired from inside the casino, when the weatherman gets an allergic reaction, allowing Mike to take his place for one night. Danny and Mike is to find the missing millions, and the thief, no matter if the thief is dead or not.

Romance begins to bloom between Danny and Delinda, to their utmost surprise. But keeping the relationship tight-lipped proves difficult, particularly when Jillian flies in Delinda's old college flame (Shawn Christian). Meanwhile, Casey organizes a paintball retreat for the department heads.

Ed and Jillian go to a spa. Danny and Mike are suspicious about one of Sam's whales. Derek and Delinda are getting serious.

While Delinda is preparing to get married old romances resurface. Bachelor and Bachelorette Parties are being planned. Meanwhile Ed is being visited by his CIA past.

Ed, Mike, and Danny make a bet on who's the best security operative among them and who can find the Montecito's biggest source of loss. Sam helps Polly (the manicurist) get her boyfriend back. Mary manages to sell the last residential suite, and she hopes that a special performance by John Legend will be a success for the Montecito.