A man's on trial for murder; a friend who could prove his innocence chooses not to come forward. An interested detective starts working to discover the how-come of all of that.
| Directing | Emilio Gómez Muriel | Director |
| Writing | Rafael Solana | Adaptation |
| Writing | Jesús Cárdenas | Story |
| Writing | Emilio Gómez Muriel | Writer |
| Editing | Jorge Busto | Editor |
| Art | Jorge Fernández | Art Direction |
| Production | Gustavo E. Candiani | Producer |
| Camera | Raúl Martínez Solares | Director of Photography |
| Sound | Eduardo Hernández Moncada | Original Music Composer |