Sci-fi sequel. Awakening from a mysterious blackout, college professor Miranda Hollander finds herself surrounded by a mass of mutilated bodies, and is horrified to discover that she is a half-human/half-alien clone. Worried that she will soon be unable to suppress the killer instincts boiling up within her, and with a horde of murderous hybrids on her trail, it will be only a matter of time before planet Earth becomes the ultimate extraterrestrial battleground.