Aliens from the constellation Hydra crash-land on the island of Sardinia. A prominent scientist, his daughter, several young technicians, and a pair of Oriental spies are taken hostage by the…

A photographer and his models go to an old, abandoned castle for a photo shoot. Unbeknownst to them, the castle is inhabited by a lunatic who believes himself to be…

In the 21st century, aliens with mind-control powers attempt to take over the earth.