For the first time in his life, Manolito falls seriously in love but his romance takes a tragic turn when Comancheros decide to settle a debt.

Enamored of beautiful Mercedes Vega De Sonora, a childhood sweetheart who returns to the Montoya ranch for a visit after a long absence, Manolito proposes marriage. Their plans are disrupted when bandits led by the vengeful Sanchez and Teniente kidnap Mercedes in an ambush. Though seriously injured, a desperate Manolito joins the men of the Chaparral in search for his loved one.