Mexican Mercy Mission — Richard Smith

After Sam's parents and sister are murdered by four bandits in a raid on their Texas homestead, the seventeen-year-old decides to ride south with his uncle, Marshal William Grant. Sam is determined to avenge the deaths of his family members. Across the Mexican border, they talk their way into a fortified hideout with the ambitious hope of rescuing a young girl who has been abducted by the same four killers. And on the way home, pursued relentlessly across the Rio Grande by bandits, they must face one final bloody battle...