Buyer beware.

Callahan is the last of a thinning population able to cross the sun-baked desert trading for much needed supplies to keep his people alive. He discovers that he is not the only trader to pay a visit to the withering town slipping into oblivion.

The town's administrator warns Callahan that men have visited his town and offered them a trade. But the trade comes at a price. Callahan is drawn into the riddle of the man without a hat and has to decide quickly if there is a way for him to escape the trap laid before him.