Mantrap (1953)

Falsely branded a murderer and locked in an asylum, Speight breaks free, hell-bent on proving his innocence. He teams up with private eye Hugo Bishop, who believes the wrong man was convicted and vows to uncover the true killer. Their hunt leads close to home, where Speight’s wife Thelma and her boss Maurice Jerrard react with visible panic to news of his escape. Something deeper than Speight’s supposed madness drives their fear.