Diamond thieves have infiltrated the staff of O'Day Jewelry. The Los Angeles Police Dept. employs their newest weapon, an airplane, to help smash the diamond theft ring.

In 1913, Carl is released from prison, where he served a sentence for stealing. Spurned by his circumstance, Carl rejects God and resumes his fast life of crime. Before long, his fate intersects with that of Mary, a devout orphan, prompting a romance and a reevaluation.

Railroad foes cause terror on the tracks with the illusion of a ghost train.