Twelve million people take cruises every year. Most have a lot of fun, but some get into trouble. Each year, more crimes are committed at sea; assaults, robberies, missing persons, even murder. Yet who investigates? Jurisdiction is a sticky issue.
Henry Grave is an investigator for the Association of Cruising Vessel Operators. A former P.O.W., Henry is as cunning as he is charming, and at 84 years of age, he fits right in with his fellow passengers.
When retired FBI profiler Robert Samson is murdered onboard the cruise liner Contessa Voyager, Henry Grave is sent to investigate. Samson was giving a series of lectures on cold case crimes he felt he could crack. But he got cracked first. Henry has just five days before Voyager reaches Miami. There, the FBI will question the passengers, but the case will have grown cold and the killer will walk free.
With the help of a television actress, a cosmonaut, and a Venezuelan general fighting extradition, Henry draws on skills honed in a Nazi prison camp to track down a passenger who might have his own reasons for taking this particular cruise, reasons unrelated to the sumptuous meals, delightful shipboard activities, and exciting ports of call.