Eighteen-year-old Joaquin del Toro's future looks bright. With his older brother in the priesthood, he's set to inherit his family's ranch. He's in love with Dulcena - and she's in love with him. But it's 1915, and trouble has been brewing along the US-Mexico border. On one side, the Mexican Revolution is taking hold; on the other, Texas Rangers fight Tejano insurgents, and ordinary citizens are caught in the middle.