To win the prize that is offered to the one who endures three laps to a boxer, a mechanic learns to box and becomes champion; in the meantime he gets involved with a woman but eventually returns to his wife.
Iván Caseros
Nury Montsé
José Mazilli
Perla Mary
Héctor Calcaño
Luis Elías Sojit
Tito Soria
Jacinto Invierno
Humberto Savoia
