West Is West (1920)

Dick Rainboldt (Carey) signs up to work at a gold mine without realizing that he's being hired as a strikebreaker. He takes the job primarily because of a pretty girl who lives in the town. The superintendent and manager of the mine convince Rainboldt to blow up the mine and make it appear like the strikers did it. But Rainboldt turns the tables on the plotters and reveals their scheme. The mine owner rewards him with a big assignment and the girl promises to marry him.