North of the Rio Grande

Hopalong Cassidy's Stalking Vengeance!

Hoppy arives posing as an outlaw to avenge his brother's killing by Plunkett. After robbing a train and killing Plunkett, he gets to meet the boss known as the Lone Wolf and lead his next job. Seeking help from Stoneman to capture the outlaws, he realizes too late that Stoneman is the Lone Wolf and is captured.