Dr. Stephanie Lyell works for Neurological Research, and is testing a seemingly safe personality-altering drug on Marc Gilmour a notorious Serial Killer. But when a pair of bizarre suicides occur at Dr. Lyell`s apartment complex, Homicide Detective Terry Hamilton connects the mysterious deaths to the drug`s diabolical side effects on Gilmour. Only after they too begin to experience horrible dreams and hallucinations do Terry and Stephanie realize they are trapped in Gilmour`s nightmarish world, from which there is no hope of escape.