A secretary sends a coded plea for help in her monthly report; two detectives investigate and find out that men are jailed on phony charges, forced to work in oil fields and then murdered if they try to escape.
Featured Crew
| Clarence Upson Young | Screenplay |
| Larry Rhine | Screenplay |
| Paul Huston | Screenplay |
| Paul Huston | Story |
| Christy Cabanne | Director |
| Ben Chapman | Screenplay |
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