Plot summary

Danny O'Moore, an Irish lad from New York, has not seen big brother Patrick for eight years. Patrick is said to now own a silver mine in Mexico.

In the town of Border City, Texas, a bandit known as "El Tigre" blows up and robs a bank. Joe Warder of the Texas Rangers

Texas Ranger Division

The Texas Ranger Division, commonly called the Texas Rangers, is a law enforcement agency with statewide jurisdiction in Texas, and is based in Austin, Texas...

 is assigned to go to Mexico and bring the thief to justice.

On the trail, bandits attack Danny but he is saved by Joe. They ride on to San Clemente, Mexico, together. A woman there, Carmelita Alvarado, is loved by Patrick but wants nothing to do with him.

Danny is seized by El Tigre's men, but again Joe saves him. Patrick tells the men he has no brother. Patrick later finds Danny and tells him he owes his life to El Tigre, who once saved it.

After being held captive, Danny, Joe and Carmelita flee. A friend who helps them escape is killed by El Tigre, who comes at Danny with a machete. Joe shoots him. El Tigre is revealed to be Patrick in disguise.

The Americans ride off for home, and Carmelita decides to go along with Danny.

Cast

• Mickey Rooney
  Mickey Rooney
  Mickey Rooney is an American film actor and entertainer whose film, television, and stage appearances span nearly his entire lifetime. He has won multiple awards, including an Honorary Academy Award, a Golden Globe and an Emmy Award...
  
   as J. Dennis "Denny" O'Moore
• Wanda Hendrix
  Wanda Hendrix
  Wanda Hendrix was an American film and television actress.Born Dixie Wanda Hendrix in Jacksonville, Florida, Hendrix was performing in her local amateur theater when she was seen by a talent agent who signed her to a Hollywood contract...
  
   as Senorita Carmelita Alvarado
• Robert Preston
  Robert Preston
  Robert Preston may refer to:*Robert Preston , American actor*Robert Preston *Robert E. Preston , Director of the U.S. Mint 1893-98*Robert K...
  
   as Joe Warder
• Robert Stack
  Robert Stack
  Robert Stack was an American actor. In addition to acting in more than 40 films, he was the star of the 1959-1963 ABC television series The Untouchables and later served as the host of Unsolved Mysteries.-Early life:...
  
   as Patrick O'Moore
• José Torvay as Enrique Ortiz
• Carlos Múzquiz as Col. Sanchez (El Capitan)
• Fernando Wagner
  Fernando Wagner
  Fernando Wagner was a Mexican actor and film director. One of his most memorable roles was in the film La perla.-External links:* * * *...
  
   as Burger
• Hilda Moreno as Señora Alvarado