Mystery film directed by Naomi Kawase is based on the novel written by Mizuki Tsujimura. Features English subtitles. Plot: Kiyokazu and Satoko Kurihara, a couple who had once given up on having a child, learned about the "special adoption" system and welcomed a baby boy into their lives. Six years later, they are happily watching their son grow up. However, a woman claiming to be "Hikari Katakura," Asato's birth mother, came to them and said, "I want my child back. If that is not possible, please give me some money"...