Synopsis
Hank Worth, son of wealthy rancher Jake Worth, is kidnapped and held for $20,000 ransome by three men. The kidnappers call on Doc to aid young Hank, who has been shot in the back while trying to escape. Unfortunately, Hank dies. The killers decide to let Doc go because he is the only doctor within 400 miles and they fear they might need his services some day. Before sparing his life and freeing him, however they force the reluctant Doc to give his word of honor that he will never reveal their identities.