D.O.A.

Accountant Frank Bigelow (Edmond O'Brien) needs to get away for a few days fun and freedom before committing to fiancée Paula Gibson (Pamela Britton). After a night on the town in San Francisco he wakes up not feeling so good, doctors confirm that he has been poisoned. With only a few days left to live Frank Bigelow sets out on a frenzied quest to find who has murdered him and why. (official distributor synopsis)