Amanda and Lee must pose as a couple on a cruise line, to find a missing informant of Lee's who was apparently uncovering something. However the catch is that once they dock on a small island, Lee and Amanda must marry. Aboard the ship of spies, Lee finds. After docking on the island and being married, Lee and Amanda find that silver is being smuggled aboard ship. The smugglers will do anything to save there fortune, include killing husband and wife, Amanda and Lee.