When two women are held up when their carriage breaks down, Manolito stops the robbery and potential kidnapping. One of the Comancheros knows Manolito as does the young woman. She is a friend who played with him when they were very young. He runs off the Comancheros and escorts the women to safety. They are headed to his father's ranch. Nearby Buck and Sam spot a large group of Comanchers stealing cattle. They return to the ranch where Big John decides to send Manolito and Buck to Montoya for help. Montoya refuses to help so Buck returns but Manolito stays to court Mercedes Vega de Grenada who has refused an arranged marriage, is a free spirit and has much in common with Manolito. They go for rides to see the ranch and where they played. During a ride the Comancheros shoot Manolito as Mercedes falls off her horse injuring herself. Their chaperon Duena rides for help. His father's men find Manolito with his head grazed but otherwise okay. The Montoya and Cannon men search for her but ...