The sad story of the Wakasa family is slowly unfolded, from seven years earlier when the father died, and how the daughter Shizue's relationship with her mother collapsed after she saw her mother with another man. She never reconciled with her mother, and Shizue befriended Mayumi, a pregnant single woman she met during therapy. Shizue was killed two years later by a serial killer and five years after her death her mother reads Shizue's diaries. The diaries unravel the truth about her daughter's personal struggles, and later the spirit of Shizue returns and asks forgiveness for her stubbornness.