Saiai plot
A love story about Rio Sanada, a businesswoman who suddenly became an important key witness in a murder case, a detective who is Rio's first love and tries to find out the truth of the case and a lawyer who wants to protect Rio by all means. In 2006, a disappearance occurred in a peaceful town where Rio grew up. Fifteen years later, the person involved in the case appears before the eyes of Rio, who has now become a prominent businesswoman. This makes Rio suddenly remember the events that should have remained sealed in her memory.