Passenger 23

On average, 23 people a year disappear from the world's cruise ships. They are written off as accidents or suicides. But what if they're not?Five years ago Martin Schwarz, a police psychologist, lost his wife and son. They were holidaying on a cruise ship when they simply vanished. A lackluster investigation was unable to shed any light on what happened'murder-suicide being the coroner's verdict. It is a verdict that has haunted Martin ever since, blighting his life. But then he is contacted by