A group of scientists working on a remote planet attract the attentions of a bloodthirsty creature, which wastes no time in impregnating one of the women with its spawn. Impending motherhood begins to have some very strange effects - including sparking murderous rages and psychopathic tendencies - and the rest of the team battle to survive her attacks. Sci-fi horror, starring Judy Geeson, Robin Clarke, Jennifer Ashley and Stephanie Beacham.

A crew of interplanetary archaeologists is threatened when an alien creature impregnates one of their members, causing her to turn homicidal and murder them one by one.