A railroad engineer adopts a French orphan while he's fighting in the army in World War I, and takes him back to the US when the war ends. Later the boy needs an eye operation that the engineer can't afford, so he takes the rap for a murder he didn't commit in order to get his son the operation.
A bandit known as The Black Mask is terrorizing the countryside around the California border town of Caliboro. When word spreads that the Mask's gang is going to hit town, the town priest turns over the church's money to the local sheriff for safekeeping.
