This film is the most important film work of Yuko Tanaka (the actor who played the young "Oshin" in the TV series "Oshin"), and she won numerous international and domestic awards for this film! The leading actor in the film is the famous actor Watase Tsunehiko who played "Kota" in "Oshin". The story describes an old detective recalling a murder case that happened 30 years ago when a 14-year-old boy traveled across Amagi Mountain with a prostitute he met on the way.