Murder Ahoy - (1964) - (Movie Clip) Neptune's Mother
Miss Marple (Margaret Rutherford) aims to solve a murder by investigating on the ship operated by the youth-reform institute for which shes a board member, meeting the captain (Lionel Jeffries) and staff (William Mervyn, Gerald Cross, Francis Matthews, Derek Nimmo, Norma Foster, Joan Benham), in Murder Ahoy, 1964.