Steve Kostain (Lund), nephew of the owner, begins working at a steel mill to learn the business from the bottom up. He rooms with a steel working family, the McNamaras, and falls for the daughter, "Red" (Sheridan), who is already involved with another steelworker, Jim (Duff.) Although he is at first has a hard time with his co-workers, he eventually wins them over, and also wins the girl.