Plot
Two wrestling stars must investigate strange deaths and a secret criminal organization led by a madman who becomes invisible.
| Writer | Alfredo Ruanova |
|---|---|
| Director | Alfredo B. Crevenna & Tito Novaro |
| Actor | 'Karloff' Lagarde, René 'Copetes' Guajardo, Gina Romand |
| Country | Mexico |
| Production | Estudios América |