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 build a golf course. Things will become complicated when on the demolition site, construction workers find a skeleton. 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.

This is another cross-over episode with Crossing Jordan. Woody and Jordan are in Las Vegas to investigate the murder of a violinist and the disappearance of his Stradivarius. The Montecito's safe-deposit vault is being robbed.

Sam's old love awakes from a 20-year coma. This makes Delinda the casino host for a whale visiting town whith his three wives. Things complicate when Mike falls in love with one of the wives and Danny gets jealous about the intentions of the whale toward Delinda. Ed tries to replace his housekeeper when Jillian is out of town.