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When Robin Masters' latest manuscript is stolen, Magnum teams with "old school" private eye Luther Gillis (Eugene Roche) to retrieve the document. The two detectives also try to find out who has attempted to murder Higgins (John Hillerman)--and worse, has done harm to Higgins' beloved Dobermans Zeus and Apollo. Curiously, the case's progression of events closely adheres to the plotline of Robin's unpublished novel, suggesting that someone has a very compelling reason to prevent the book from hitting the shelves.