In the center of events is a married couple from New York. The heroes have been married for almost 15 years. Nick is a police officer and Audrey is a hairdresser in a small beauty salon. Recently, the man had the opportunity to become a detective, but he failed the check, which in the end almost forgot about the 15th wedding anniversary. Having managed to get out of an unpleasant situation, he is forced to buy two plane tickets to Europe. Nick convinced Audrey that he had been planning a trip for a long time and that an unforgettable adventure awaited them. During the flight, the heroine meets the nephew of the famous billionaire. Interested in his new friend, Charles invites her and her husband to spend the weekend on a yacht, where his uncle is going to celebrate the wedding with his young lover. The heroes accept the invitation, not suspecting that they will soon become suspects in the murder of a billionaire ... Nick will have to remember everything he learned during his work in the police in order not to end up in jail. And Audrey will help him in every possible way, recalling plots from his adored detective novels!