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.
Agente 777
La criollita
Comandante Bravo
Amparo
Jefe de policía
Sargento
Matias Luis Riquelme
Bermúdez
Doña Joaquinita
Cabaretera
Esposa de enfermo
Greñas (uncredited)
Niño (uncredited)
Extra (uncredited)
Profesor Melo (uncredited)
Agente 777
La criollita
Comandante Bravo
Amparo
Jefe de policía
Sargento
Matias Luis Riquelme
Bermúdez
Doña Joaquinita
Cabaretera
Esposa de enfermo
Greñas (uncredited)
Niño (uncredited)
Extra (uncredited)
Profesor Melo (uncredited)