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.
| Writing | Clarence Upson Young | Screenplay |
| Writing | Paul Huston | Screenplay |
| Writing | Paul Huston | Story |
| Directing | Christy Cabanne | Director |
| Writing | Larry Rhine | Screenplay |
| Writing | Ben Chapman | Screenplay |
