Aliens from Outer Space are slowly switching places with real humans -- one of the first being a young man about to get married. Slowly, his new wife realizes something is wrong, and her suspicions are confirmed when her husband's odd behaviour begins to show up in other townspeople.
Lawyer Ralph Anderson arrives in Tula, an amazingly remote town in the desert, as reluctant emissary of mob chief Victor Massonetti, who wants the airstrip clear for his unofficial exit from the country. Ralph's arrival has a profound effect on his estranged father, the sheriff; his brother Tip, an alcoholic deputy; and his ex-sweetheart Linda, now married to Tip. Tension builds as a small army of gangsters takes over the town. Then the situation abruptly changes...
The Navy expects a veteran to pay for the ship he commanded, as they have no record of its return.
