After years of venturing through the frontier and making a name for himself as an accomplished trapper, scout, and tracker, Kit Carson trades in his Wild West adventures for the life of a family man and rancher. But when an Apache raiding party ambushes and kills merchant James White and kidnaps his wife Ann and their daughter, the army asks Kit to help rescue them. Embarking on the most challenging trail of his career, the living legend crosses 200 miles tracking the Apache’s every move, hoping to save Ann and her baby before it’s too late. As the rescue mission comes to a tragic end, the fate of Ann White haunts Kit Carson for the rest of his days and changes him forever.