Lee Mortimer

An honest union official named Blane is framed for the murder of another union official. Thus off the hook, the crime syndicate actually responsible for the crime is free to continue its activities. However, State's Attorney Jim Fremont begins to suspect that Blane has been set up. Fremont launches a new investigation. (imdb)

Story follows the rise and subsequent fall of the notorious head of a New York crime family, who decides to testify against his pals in order to avoid being killed by his fellow cohorts. (TCM.com)