After surviving the earthquake and tsunami, Shy manages to make it back to land, but he's far from safe because a secret his cruise ship coworker Addie shared with him is one that people have killed for, and now that Shy knows, he's become a moving target.

In 1889, the ship Etruria departs Liverpool, England, for New York carrying Audrey Rose Wadsworth and her crime-solving partner, Thomas, a famous escape artist, and a cold-blooded killer.

On a seventeenth-birthday cruise with her parents and three friends just months after her boyfriend died, Natalie is surprised to connect with a fellow passenger, who then mysteriously disappears.