murder mystery with a boat and an affair

On a long-awaited trip to Europe, a New York City cop and his hairdresser wife scramble to solve a baffling murder aboard a billionaire's yacht.

How do you solve a murder in a post-fact world? Especially when sailing the Mediterranean on an ocean liner filled with the wealthy and powerful. Everyone on board is hiding something… but is one of them a killer? That’s what the world’s once greatest detective, Rufus Cotesworth, and his protégée, Imogene, aim to discover.

A sailor and his wife become involved in a murder investigation.

Former police detective Jack Grayling, pursuing his dream of becoming a cabaret singer on a luxury Mediterranean cruise ship, investigates a series of murders on board with the help of the ship's first officer, Kate Woods.

During an annual board of trustees meeting, one of the trustees dies. Miss Marple thinks he’s been poisoned after finding a chemical on him. She sets off to investigate at the ship where he had just come from. The fourth and final film from the Miss Marple series starring Margaret Rutherford as the quirky amateur detective.

A criminologist investigates the murder of a Broadway producer on an ocean liner.

A group of insatiable secretaries take a sex cruise charter boat where there's a murder.

A passenger is murdered on board an ocean going liner and suspicion falls all too neatly upon her husband.

A man plans to kill his wealthy wife for her money and so he can be with his beautiful young mistress. However, things don't turn out exactly as he had planned.