A young man, son of a doctor, trained in liberal ideas, decides to imitate Curro Jimenez to implement justice, for this reason he kidnaps the owner of a mine that cruelly exploits the miners. At the doctor's request, Curro Jimenez must intervene to teach a lesson to his imitator and to a young miner who accompanies him in his adventure.

Un joven de ideas liberales, decide imitar a Curro Jiménez para implantar la justicia. Por este motivo secuestra al dueño de una mina que explota cruelmente a los mineros.