Tony Runs Wild (1926)

"ADVENTURES OF A PONY PLAYING CUPID IN THE WESTERN PLAINS AND MOUNTAINS"

Tom Grant saves Grace Percival from being tromped by a herd of stampeding horses,led by Tony, and they become friends. Grace tells Slade, a renegade who has been trying to capture Tony, the leader of the wild horses, that Tom has promised to capture Tony for her. Not if Slade has anything to say about he isn't.