Summary:This classic blend of science-fiction and horror belies its extremely low budget with buckets of atmosphere and some genuinely creepy setpieces. The story concerns the crews of two spaceships, who land on a foggy, seemingly deserted planet. What they don't know is that the planet was home to a race of vampiric aliens, who possess their minds, eventually rising from their strange, misty graves to seek human blood. Legendary director Mario Bava once again proves himself a master at atmospheric composition, ... Full Synopsis