Steve volunteers to hunt a killer mountain lion alone. After losing his supplies, he is helped by a lonely couple. They lost their son to the cat and maimed it. The husband helps Steve who soon learns the cat is not his only enemy.

A failed British rancher returns to Medicine Bow a wealthy man but conflicted by his cowardice in the Army. After learning he won't die from a dog bite and Trampas is taken captive by Indians, he is given a second chance to prove himself.