A young woman has been nabbed by an alien and imprisoned alone in a dim room. She soon realizes she's part of an experiment. The aliens have impregnated her with their own offspring. The new alien is bulging to get out, causing much pain and making the woman's stomach bloat and twist. She moans in pain and begs for mercy. She just wants it to stop. She doesn't want to birth a new monster. But its already too late...