Father Michael Logan (Montgomery Clift) faces a crisis of conscience when his caretaker, Otto Keller (O.E. Hasse), confesses to him that he has committed murder. Logan's dilemma intensifies when he himself comes under suspicion of the killing by police inspector Larrue (Karl Malden). Should Logan break with the sanctity of the confessional to prove his own innocence, or be hanged for a crime he did not commit? Master of suspense Alfred Hitchcock keeps us guessing till the very end.