The Midwest USA is invaded by stingray-shaped alien slugs that ride on people's backs and control their minds in order to spread their dominion. Government agency reps Sam Givens, Andrew Nivens, and Mary Sefton must stop the aliens.

Strange aliens land in the Midwest, taking over people's minds in order to spread their dominion. Sam Nivens and Andrew Nivens, aided by Mary Sefton, are part of a government agency who must stop the the aliens before the aliens get to them...—Steve Fenwick <[email protected]>

When a flying saucer reportedly lands in rural Iowa, The Old Man (who runs a secret branch of the CIA), decides to investigate. He goes in person, accompanied by agents Sam and Jarvis, as well as Dr Mary Sefton, a NASA specialist in alien biology. They find that aliens have indeed landed and are planning to use their mind-control powers to take over our planet.—Reid Gagle