A small wagon train driven by poor settlers is ambushed on the frontier by bandits. Cavalry Colonel Jim Merriwell gallantly tries to protect the defenseless homesteaders, but is shot and killed by outlaw leader Red Dugan. The only survivors of the ambush- family servant Mose and the infant Isobel - are kidnapped by Dugan's gang. More than a decade and a half later, Colonel Merriwell's grown son, Jack, has become a man of the law. Having finally learned the true circumstances of his father's death, Jack seeks revenge and justice. While undercover to try and locate the elusive Dugan Gang, Jack falls in love with the young and beautiful Isobel Dugan - the infant that Red abducted and raised as his own. Now, Jack must not only bring his father's killer to justice, but keep this mission from destroying the love he has found
