Halloween, 1989. College student Jackie Blue wants to enjoy a quiet birthday in the midst of a chaotic semester, but her friend Amber has other plans in store for her, convincing Jackie to attend the annual Monster Mash party on campus after her shift at the local movie theater. As murder plays out on the silver screen, everyone around her starts turning up dead. Who is the mysterious stranger watching her every move? Is Jackie under a spell, helplessly trapped, as the night comes to a shocking and gruesome end?