Four kids find a WWII battle tank on one of the historic battle sites. They start playing and - find themselves back in the time of war in the middle of a battle.
Sam and Buddy, two highway robbers, join with Colonel Quint, a big crook, who sold his services to Morgan, the banker, in order to free Baby, the banker's daughter, abducted by Espartero and his killers gang.
In this film the director's recurring concerns return: the divisions in the Chilean left, and its contradictions between what the director calls the "traditional" and the "revolutionary" left.
The story of a peasant whose harshness and bluntness only provoke disputes and anger, and his honesty and sense of truth and honor in conjunction with the previous qualities only exacerbate these disputes.