Ning and Kevin, a loving couple, decided to move into an apartment and rent out their former residence to an elderly retired doctor. Shortly after the house was rented, Ning began receiving complaints from neighbors about strange noises emanating from the property during the night. Disturbingly, her husband and daughter started exhibiting unusual and unsettling behaviors, leading Ning to suspect that something was amiss. As these occurrences grew increasingly bizarre, Ning found herself grappling with the possibility that the house held secrets far beyond her understanding.