La Pampa, Argentina. Don Genaro Gran hires gaucho Juan to capture horses and tame them. In his quest, Juan rescues a girl in trouble whose beauty unleashes Don Genaro's worst impulses.

Silent bibliographic film that tells the story of the mythical hero Mariano Moreno, his life, his relationships and adventures in the hands of Argentine politics. Currently considered lost.

This was Gardel's first film and was directed by Francisco Defilippis Novoa and was made in collaboration with Celestino Petray.