After relocating to Tokyo with her family, Hinako eventually makes her way back to her rural hometown in Shikoku. Upon her return, she discovers that her childhood friend, Sayuri, passed away a few years prior. Sayuri’s mother, once known for conducting seances and exorcisms, is now nearly driven mad by sorrow. As Hinako repeatedly encounters Sayuri’s spirit at night, she seeks advice from local paranormal specialists and uncovers that Sayuri’s mother has a scheme involving her deceased daughter.