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 on their own. Now they must prepare for an all-out assault on their position with "McCoy" facing a court-martial if they survive! This doesn't hang about, there is plenty of action, a bit of a siege a...