Trevor Forrest, a charming Texan with a penchant for flirting and gambling, struggles to keep his impulses in check during his honeymoon cruise in Tahiti with Lindsey Ross Forrest. When Trevor mysteriously vanishes, with evidence of a struggle suggesting he may have fallen or been pushed overboard, the ship's captain enlists FBI agent Gwen Merced to conduct a discreet investigation. As suspicions arise, three Hungarian businessmen—Luka, Max, and Ben—emerge as potential suspects alongside others harboring their own secrets, blurring the lines between innocent fun and dangerous deception.