Jason thinks he must have just about taken all the challenges that can be thrown at him and Sienna. For once, things seem perfect: great girlfriend, great friends and great place to live. Then Sienna's older sister, Paige turns up unexpectedly from college in Paris.
Paige brings the usual Devereux charm with her. She is gorgeous, glam and sophisticated. When she suggests spending Spring Break in Las Vegas the Malibu crowd jump at the chance and Jason is overwhelmed by the money, clubs and champagne that flows 24 hours a day.
But when Paige's old boyfriend - Mark Lessard - turns up, things suddenly get dangerous. Sienna's missing - being used as bait between Paige and Mark so a deal is made between them. Suddenly the stakes are very high . . .