En route to back to Earth, the crew of the starship Snark intercepts an alien transmission. Their investigation leads them to a desolate planetoid, a crashed alien spacecraft and a pyramidic structure of unknown origin. Then the terror begins . . .
Adapted from the original 1976 screenplay by Dan O'Bannon (author of Moebius's The Long Tomorrow, cowriter of Total Recall, writer/director of The Return of the Living Dead).