Some things should never wake up...When a dormant alien organism is unearthed on Mars, surveyor Peter Deakins becomes its unwitting host. By the time he returns to Earth, he has already begun to change. Scientists race to understand the parasite - but it's too late. What starts as a study quickly spirals into a nightmare as Deakins body becomes a vessel for something ancient, aggressive and violently hungry.A chilling blend of science fiction and body horror, Parasite is a descent into madness and mutation.