A 7-day cruise on the Blue Horizon sounds great-- till Amanda and Jace meet up with Amanda's friend Jessica and her new boyfriend Nick Pappas, a Greek-born entrepreneur who seems too good to be true. It's no surprise when Jessica and Nick begin to argue. Their disagreements climax the night his dead body is found in a deserted lifeboat. Amanda, Jace and his ex-partner Lori Malone are on it, working with-- and against-- hunky FBI Agent Ryan Hunter. Can they find the killer before they incur the wrath of the FBI-- and Nick's criminal associates?