- 1 hr 46 min
In this science fiction film, written by Walter Koenig, the mystery area of extraterrestrials coexisting with humans is explored. When Eric Norris returns from space, he is suffering from survivor's guilt after an accident that killed his whole family. Then he discovers his body has a stowaway, an alien parasite inside his body. While trying to find a way to rid himself of the unwelcome alien, he makes the astonishing realization, that the alien is actually part of hidden life that has always existed on Earth. He tries to find some feelings for it as it emerges from his body.