AllMovie

In the conclusion of Magnum, P.I.'s two-part Season Five opener, Magnum (Tom Selleck) doesn't know who to believe when twin sisters Diane and Deidre Dupres (both played by a pre-Basic Instinct Sharon Stone) accuse each other of having murderous intentions. Meanwhile, Higgins (John Hillerman) has managed to wriggle out of his engagement to Lady Ashley (Carolyn Seymour), but it may be more difficult to shed his other "fiancee" Agatha Chumley (Gillian Dobb). The climax of this episode is one of the most shocking in the series' history--and that's all you're going to get out of us!