Blackmail (1939 film)

Blackmail is a 1939 crime drama film directed by H. C. Potter and starring Edward G. Robinson.
Plot.
John Ingram (Edward G. Robinson) is a highly successful oil-field firefighter and a family man. It is a contented life, he has even bought his own oil well in hope of striking it rich. His greatest fears are realized, however, when a man, William Ramey (Gene Lockhart), from his secret past sees Ingram in a newsreel and shows up looking for a job.
Ramey attempts to blackmail Ingram, who had run from a chain gang years ago, and began a new life under an assumed name. After a shady deal is made, Ingram is tricked and Ramey turns him into authorities, who return him to a chain gang. Ramey subsequently becomes a very rich man.
When Ingram finds out about the success of the man who betrayed him, he plans a daring escape in an attempt to return home and get revenge.