A New York policeman and his wife go on a holiday in Europe to revive their marriage, but end up becoming the main suspects in the assassination of an elderly billionaire. Nick Spitz honors an older promise and takes his wife on a trip across Europe. During a flight, they meet a mysterious man who invites them to an intimate family gathering on the old billionaire’s yacht Malcolm Quince. However, the quiet couple’s vacation suddenly turns into a nightmare when the billionaire Quince is killed and the couple becomes the main suspect. Find out on the run and suspect of a crime they have not committed, the two have to prove their innocence and find the real guilty.