/// MISSION BRIEFING

Since Sadayuki disappeared, Satoko has been waiting for her husband to return at the ticket gate every morning. Sadayuki's junior colleague Wataru says that they should search together. Satoko learns of Kyoko's existence from Sadayuki's boss Ueno. She is the daughter of the general manager of Chikada Bussan and recently returned to Japan after graduating from a university in Europe. Sadayuki disappeared a few days later. Kyoko was in Chiba. Meanwhile, Wataru submitted his resignation to the company and divorced his wife Aki. Then he and Satoko headed to Chiba...