When a cop is murdered on patrol small-time crook Frank Wiecek takes the rap and is sentenced to life. Eleven years later hard-boiled reporter P.J. O'Neal is assigned to look into the case but finds the authorities unwilling to co-operate. As he digs deeper he begins to believe they got the wrong man but must now find the evidence to prove it. Based on a true story, Henry Hathaway's classic film noir sees James Stewart give one of his most celebrated and powerful performances as the sceptical reporter who becomes obsessed with a fight for justice.