Las Vegas

Danny has a busy day coddling an oddball winner, trying to locate a missing high roller, and figuring out a cheater's MO. Big Ed finds his daughter sleeping with Danny.

Danny's friend Greg is found murdered in the desert, reporter is hot on the trail of a naughty senator, and King Arthur is riding through the casino.

Danny and Ed uncover a car thief, and Ed's cousin, Donny, meets the woman of his dreams at the roulette wheel and decides to get married immediately. Delinda ends things with Danny and decides to get a job.

Danny returns from the war, much to the surprise and joy of everybody, particularly Mary. However, he is acting strangely as the memories of the war haunt him. He begins to worry everybody, particularly Ed and Mary. The guys of the casino are also contending with two of the dumbest guys on earth, one of who has a microchip in his arm. The new guy Leo has a thing for Delinda, and Sam and Delinda are at odds as Sam wants to hire out Mystique to a group of rich morticians.

Danny, Mike and Sam scurry to solve the tactics of a ring of card counters. Meanwhile, Nessa is faced with the return of Fred Puterbaugh who professes his love and admiration to her, much to her dismay. Elsewhere, Ed and Danny deal with an archeologist's find near the hotel pool that leads to a scam, while Mary, has to give orientation to topless women, employed by the hotel to entertain guests.

Ed is framed for murder when enemies from his past resurface. Danny and Mike secretly intervene to investigate and take matters into their own hands. Meanwhile, Sam, Nessa, Mary and Delinda desperately attempt to find tenants for their new joint-purchased home, settling on what they think to be the perfect tenants, only to discover they've misjudged the situation.

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 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 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. The crossover starts on Crossing Jordan S05E02 Luck Be a Lady (I).

Delinda must face her fiancé Derek and tell him about her feelings for Danny. Everyone is shocked by Ed's attack. When a whale refuses to leave a Villa in one of the Montecito's Hawaiian resorts Sam has to head out there to take care of it.

Ed reveals surprising news from the past when he gets back from Morocco. Mike goes to Hawaii to help Sam with her problem.

Sam is trying to track down some of her recent clients who stiffed the Montecito. An old associate of Ed's helps her. Mary tries to conquer one of her biggest fears. Danny and Delinda talk about moving in together.

The Montecito staff members along with the Las Vegas police have their hands full as they try to discover who killed Mary's father while investigating the recent hotel robbery. A mysterious cowboy pays the tax debts of the Montecito and becomes the new owner.

The new owner of the Montecito, A.J. Cooper, introduces himself to the staff an brings a new campaign with him: "Anything Can Happen." The staff get worried that people might get fired. Sam is seeing a psychiatrist because of her recent abduction, but she won't open up to him. Instead, she tells him everything about her colleagues.

Sam continues therapy with her psychiatrist, which includes working on her social skills. Cooper wants to fill the vacant position of President of Operations, so Mike and Danny both apply for it.