Madonna exclusive actress Chihiro Akino takes on her first full-scale suspense drama role! A woman's body is discovered in a hot springs inn... Detective Chihiro becomes involved in the case, which everyone believes to be a suicide. Unable to rule out murder, Chihiro becomes the innkeeper and infiltrates the inn. Her dangerous act, which even her fellow investigators gasp at, is connected to the incident that led to the death of her husband... Then, as if to mock her, a second crime occurs. With danger gradually closing in on her surroundings, what will become of the investigation?