Auto mechanic invents a new-improved carburetor; industrial spies steal his invention, romance with a manufacturer's daughter, and he drives a cross-country race.
Miroslava
Luis Aguilar
José Baviera
Alberto Mariscal
Quintín Bulnes
Gloria Mange
Beatriz Saavedra
María Herrero
Víctor Alcocer
Jorge Martínez de Hoyos
