Lewis E. Lawes

Brash hoodlum Tom Connors enters Sing Sing cocksure of himself and disrespectful toward authority, but his tough but compassionate warden changes him.

An ex-con sets up a program to straighten out hard-core prisoners. Things don't go as planned.

A gangster is unable to go straight after returning home from prison.

Johnnie learns crime from petty thug Frank Wilson. When Wilson kills a pawnbroker with a gun stolen from Johnnie's sister Madge's fiance Fred Burke, Fred goes to Sing Sing's death house. Wilson uses all the pressure can to keep Johnnie silent, even after he and Johnnie themselves wind up in the big house.

When a singing, song-writing prizefighter is framed for murder and sent to the state pen, his girlfriend sets out to prove his innocence.

A hardened crook behind bars comes up against a reform-minded warden.