A newly adopted girl is doted on by her adopted father but faces indifference from her adopted mother.
Even though he disapproves of the harshness with which his father, the Colonel, treats his employees, Wayne Craighill joins the old man's mining business. Adding to the strain between father and son, Wayne soon falls in love with Jean, the daughter of a small mine owner whom the Colonel wants to put out of business.
Once again, a secret agent risks life and limb for a packet of secret papers. This time around, the spy is a woman, attached to the United States secret service.
