A gang of thieves has jeopardized the city and even the police, whose chief urges their forces to captured the band within 48 hours. Meanwhile, band members meet in a cafe run by a widow and her daughter and her suitor, Cantinflas, who maintains a scuffle with the robbers running all at the station. Since then, Cantinflas become a member of the police force for special missions.
Cantinflas
Agente 777
Mapy Cortés
La criollita
Daniel Herrera
Comandante Bravo
Gloria Marín
Amparo
Julio Villarreal
Jefe de policía
Agustín Isunza
Sargento
Carlos López Moctezuma
Matias Luis Riquelme
Alfredo Varela
Bermúdez
