At thirty-six, Zeb Warren stands slightly over six feet tall. His muscles are as strong as the steel traps he uses in his trade. Jim Bridger got him started, now he's on his own in the Idaho wilderness - the frontier that has been his home for twenty years. But now his serenity is being disturbed by unscrupulous trappers who are ruining his peaceful coexistence with the Indians. To make matters worse, the Indians are holding a white woman and her teen-age daughter captive. Zeb knows he's the only hope for the captives and now he must make a choice...