This romance is entering rough waters.After almost dying on their hiking trip, Special Agents Ty Grady and Zane Garrett have a moratorium on the word vacation. This makes it hard to discuss their newest case: an undercover operation aboard a cruise ship in the Caribbean. Their mission is to collect information by posing as Corbin and Del Porter, a pair of wealthy international smugglers who also happen to be happily married. It takes less acting than either man expects, and not just because both smugglers are out and proud. Del is a coddled trophy husband with a penchant for short shorts, while Corbin is possessive and jealous, happiest with cards in one hand and an expensive drink in the other. As they settle into their roles, the lines around what's pretend and what's real begin to blur.Even undercover, "Corbin" and "Del" have big problems.

They have an enemy aboard the ship, though whether it's their criminal connections, the authorities, or some mysterious third party isn't clear. No one on this ship trusts anyone else, and if Ty and Zane can't change that, they're going to end up dead.