D.O.A.

D.O.A. (1949) starring Edmund 0'Brien, Pamela Britton

A doomed man races against time.. …to find out who poisoned him in this classic film noir. Accountant Frank Bigelow (Edmund 0'Brien) arrives in San Francisco for a brief vacation and visits a local dive, the Fisherman's Club, where a mysterious stranger slips him a mickey of "luminous toxin" that leaves Bigelow with less than a week to live! In a desperate attempt to locate his murderer, Bigelow embarks on a lurid odyssey of double dealing, betrayal and murder