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.
Julio Villarreal
Jefe de policía

Agustín Isunza
Sargento

Carlos López Moctezuma
Matias Luis Riquelme

Alfredo Varela
Bermúdez