Jus' travlin', Bob and his sidekick run into the outlaw Jean Le Roque. A miner has found gold and Le Roque not only wants the gold but also the miner's daughter. He captures the miner and tries to get the mine's location from him. He also tells the daughter he will kill her father unless she marries him. After disposing of Le Roque's gang by accidentally setting off a explosive charge that kills them, Bob goes after Le Roque.

Bob Haynes, the unknown leader of an outlaw gang, has been offered the job of Deputy. When his men commit murder and robbery against his orders, he takes the job and brings them in. He then confesses he was one of them and the Sheriff is forced to arrest him leaving his fate up to the Judge.

A ten-chapter Rayart serial about fire-fighters in the Big City.