A brother-in-law of El Gitano is mysteriously murdered and a crescent moon is engraved on his temple. Other victims also appear with the same mark. Curro finds a young woman who is also following in the footsteps of the man from the Media Luna.

The violent death of a great landowner and philanthropist casts doubts on Natalia, his young and beautiful widow. Curro Jiménez accidentally meets the son of the deceased and becomes his friend, starting to investigate.

Curro and his men act on this occasion directly in Cordoba capital. There they carry out their robberies, get involved in the liberation of some prisoners and carry out amorous conquests. The Indian governor wants to make the bandits understand that he is the only one in charge of Cordoba.