After the pretty useless "Lt. Davenport" (George Neise) manages to get his troop ambushed by some Mescalero Apache, and get himself injured in the process, it falls to his sergeant "McCoy" (Chuck Connors) to - forcibly - take command and try to get them to safety. Their problems only increase, however, when they arrive back at their fort only to find that it had already been attacked, and they are...
