Julia Yates, who inherited her grandfather's funeral home, is suddenly pulled into a supernatural game called the 'Ghost Instance' while preparing a coffin. In this horror-themed scenario, she finds herself trapped inside a bridal sedan, dressed as a bride, with strict rules forbidding her from leaving or lifting the veil before the wedding night. The ghost bride turns out to be a man, adding to her confusion. Players must survive the twisted wedding ceremony or face deadly elimination. Julia faces escalating pressure to comply as the wedding begins, and the promise of a billion-dollar prize pushes her to fight for survival.