Javier Navarro, a Falangist, is ordered to infiltrate Republican Madrid to deliver a message to a member of the Fifth Column.

---

Main Cast: Rafael Rivelles, Fosco Giachetti, Conchita Montes, Juan de Landa, Manolo Morán, Blanca de Silos, Luis López Estrada, Argimiro Guerra, Manuel Miranda, Ángel Marrero

Director: Edgar Neville

Writers: Edgar Neville, Conchita Montes

Editor: Fernando Tropea

Cinematographers: Jan Stallich, Francesco Izzarelli

---

Popular Double Features