A newspaper reporter sets out to track down the murderer of a policeman.

Without a job, a young man is given the opportunity to run his ill uncle's private-detective agency. He finds himself mixed up with everything from an unfaithful husband who is a secret nudist to a schoolteacher who believes his pupil's father is beating him.

《玛丽·塞利斯特的秘密》拥有很强的悬念性，画面真实自然，人物形象刻画入微。贯穿整部影片的悬念到最后才得以解开。导演以细致的人物心理刻画，使得这部经典影片即便在当今看来，也绝对让人匪夷所思！