In a dream getaway to Europe, a handsome and absent-minded detective from New York and his wife, a devoted mystery lover, embark on a journey that quickly turns into a nightmare. It all begins when, during their flight, they meet an intriguing millionaire who invites them to a luxurious yacht. But, as is to be expected in a mystery story, things are not what they seem. Just as the couple starts enjoying the good life and dreaming of their future honeymoon, the millionaire is murdered, and the bulk of the plot unfolds.
Suddenly transformed into the prime suspects of the crime, the duo is forced to use their ingenuity and scant knowledge of the genre to solve the case and clear their names. Amid a cast of outrageous characters, ranging from an eccentric aristocrat to a beautiful and mysterious woman, each one has something to hide. As the action moves from Europe through a series of unexpected and comedic twists, the couple discovers not only the true culprits but also the secrets and tensions in their own marriage. With a touch of humor, intrigue, and a bit of romance, this adventure filled with mix-ups promises laughter and excitement until the last shot of the gun.