Tom Halloway, compelled through circumstances to become an outlaw, robs the express office on the day of his sister's arrival from the East and is seen at the scene of the crime by McTavish, a religious fanatic. Accompanying Tom in his escape from the posse is Sam Langdon, a prospector charged with McTavish's murder. He clears up the situation, wins a pardon for Tom, and wins May, Tom's sister.
