If you've seen Humphrey Bogart's cracking desert adventure "Sahara" (1943) then you'll know what you are in for... A disparate band of cavalry soldiers, alongside a stagecoach party, are ambushed by a rogue band of Commanches . With the help of the young "Little Knife" (Johnny Stewart) who is also running from "Black Cloud" and his marauders, they take refuge in a remote ruin were they have just enough water to survive - but not for long; and soon there is a siege going on too - with their enemy as short of water as they are... What ensues is a tensely directed Mexican stand off, each trying to... lees de rest.