The discovery of a human torso thrown into a waterway, leads the viewer to observe the work of modern criminology and the task of special agents to track and record the psychopath's mentality through the elucidation of techniques present in the reality of the police investigation.
| Directing | Alejandro Galindo | Director |
| Crew | Alejandro Galindo | Script |
| Crew | Juan Alfonso Chavira Jacha | Script |
| Crew | Sergio Véjar | Cinematography |
| Writing | Juan Alfonso Chavira Jacha | Writer |
| Writing | Alejandro Galindo | Writer |
| Production | Alejandro Galindo | Producer |
| Sound | Francisco Argote | Music |
| Editing | Juan José Marino | Editor |
| Editing | Carlos Savage | Editor |
| Editing | Alberto Valenzuela | Editor |
