Magnum, P.I. (1980): Season 4, Episode 17

4 - 17: Let the Punishment Fit the Crime

While Higgins is preparing to direct a selection of pieces from Gilbert and Sullivan's comic opera The Mikado, to be staged at the Estate, Magnum is hired by an attractive young woman to find her missing brother, whom she claims has disappeared after joining a religious cult. The girl has musical experience and agrees to help out with rehearsals of Higgins' production while Magnum seeks out her missing brother.