Kumi and her friends experiment with a witchboard during an evening gathering, only to awaken a vengeful spirit that swiftly overtakes them. Under its influence the young women begin acting without consent, drawn toward strangers in search of elusive vitality. Disturbed by her loss of control, Kumi seeks out the exorcist Tsunoda Mia. Meanwhile, rumors of an otherworldly predator at large draw Mia into an investigation that hints at a deeper, lingering hunger.