The film follows Gabriel Angel (Rakie Ayola), a young Caribbean aviator who falls in love with the forger Duncan Stewart (Jonathan Pryce) on her journey to England. Stewart is pursued by his nemesis Rex Goodyear (John Hurt), and the group are supported by Dr Angela Bead (Vanessa Redgrave) and Miss Gwendolyn Quim (Dorothy Tutin), retired missionaries who become lovers during the voyage.

A group of senior sleuths passionate about solving cold cases get plunged into a real-life murder mystery in this comic crime caper.