 The Lone Ranger, in need of a mount after his Ranger troop has been massacred by the Cavendish Gang, and Tonto rescue an injured wild horse from a buffalo, and the Ranger decides to keep the horse as his own. He clears his old friend Jim Blaine from a false charge of murder and sets him up to live in old silver mine they once worked with the Ranger s now dead brother. The Ranger asks Jim to mold his silver bullets, which he sees will stand for a symbol of "justice by law." The Ranger also breaks up a plot by the Cavendish Gang, who are responsible for a string of local murders, to take over the town.