Death on the Nile (1978)

On board of a luxurious ship on the waters of the Nile, ten people are involved in the murder of a wealthy heiress. Also there is detective Hercule Poirot, who takes over the investigation of the crime. Based on the novel by Agatha Christie and starring an all-star cast (Peter Ustinov, Jane Birkin, Bette Davis, Mia Farrow, Angela Lansbury, Maggie Smith...), it is an appealing film version full of details that make it highly enjoyable.