The superintendent of the Knowlton Iron Works is in love with his employer's daughter, who has been reared in luxury, and is the idol of her father. To save this woman from the knowledge that her father is a thief, the loyal superintendent takes upon his own shoulders the guilt of her father's crime. After all the stress which the story develops, his sacrifice is learned and rewarded by the woman he loves, who decides to stand with him on the side of the oppressed workmen, to whose cause the superintendent has devoted his life's labor.