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.

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Main Cast: Iván Caseros, Nury Montsé, José Mazilli, Perla Mary, Héctor Calcaño, Luis Elías Sojit, Tito Soria, Jacinto Invierno, Humberto Savoia

Director: Eugenio Gersbach

Writer:

Editor:

Cinematographer: Carlos Seidel

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