Saiai

Synopsis

In 2006, Sanada Rio lived in a country village where she becomes entangled in a mysterious case involving a missing person. Rio leaves to study in the pharmacy department at a university in Tokyo, leaving behind her young brother. Fifteen years later at the age of 30, Rio takes the position of CEO at Sanada Wellness, a subsidiary of Sanada Holdings, which is run by her mother. Rio becomes a material witness in a series of murder cases after someone from her past shows up in front of her. The murder cases seem connected to the missing person case from 2006. Meanwhile, her first love, a detective called Miyazaki Daiki, is pursuing the truth of the case.