Wedding bells are finally ringing for Jacklyn "Jack" Wyatt and her FBI-agent fiance, Damon Wade. After their adventurous beginning, the happy couple finds the relative calm leading up to their big day, a huge relief. Unfortunately, it seems that the peace and quiet were too good to last. As they embark on their honeymoon, a weeklong cruise, Jack can't shake the feeling that something is off with her new husband. When she stumbles upon a secret plot—one in which her husband is a key player—she realizes this getaway will be anything but smooth sailing. When she delves into the shady happenings aboard the ship, she realizes Damon's involvement is just the tip of the iceberg—she has become an unwitting player in a deadly conspiracy, and in such close quarters, there is no escape. Now, Jack has no choice but to work with her spouse to unravel the truth before their happily ever after—and their lives—are ended all too soon.