Three archaeologists uncover the sarcophagus of Princess Ananka despite being warned of a curse. The situation regresses when one of them awakens Kharis, who was entombed alive to guard the princess.
A group of explorers are pulled to the bottom of the sea after their ship is attacked. They then discover the lost city of Atlantis, which is inhabited by creatures from another planet.
A group of British government scientists investigate strange radioactive readings at Headstone Manor, a site where 18 people were killed a couple of years before their visit.