Dr. Laura Samuels studies a volatile extraterrestrial organism aboard an isolated research outpost until a reckless corporate experiment triggers an uncontrollable mutation. The creature slaughters the lab staff and begins mimicking human flesh with terrifying accuracy. Rescued by an armed private extraction team led by her former fiancé Rooker, Laura realizes the nightmare is only beginning.
The entity uses psychological hallucinations and stolen appearances to sow distrust among the survivors, picking them off one by one in the dark corridors. Laura and Rooker must navigate mutual heartbreak and rampant suspicion to uncover the beast's fatal vulnerability. With the self-destruct countdown ticking, Laura fights to eradicate the organism before it hitchhikes back to Earth.
