While on holiday in Rhodes, Athenian war hero Darios becomes involved in two different plots to overthrow the tyrannical king, one from Rhodian patriots and the other from sinister Phoenician agents.

Andy and Thelma, an urbanite couple living in Madrid, leave their apartment for a pleasant day around the city with their dog. They cross paths with Bruno and Anne, a strange couple who invite them to their foreboding country estate. A storm hits that evening and the two stay overnight. The couples engage in a bit of harmless communication with spirits via ouija board, but soon past conflicts arise Thelma had an affair with Andy’s brother, and Anne criticizes Bruno over his attempted suicide. This is only the beginning of all the horrors that will haunts them in the house.

In the near future the two spaceships Argos and Galliot are sent to investigate the mysterious planet Aura. As the Galliot lands on the planet her crew suddenly go berserk and attack each other. The strange event passes, but the crew soon discovers the crashed Argos – and learns that her crew died fighting each other! Investigating further, the explorers come to realize the existence of a race of bodiless aliens that seek to escape from their dying world.