Hiroko attends the memorial service of her fiancé, Itsuki Fujii, who died in a mountain-climbing incident. Although Itsuki's mother says that their old house is gone, Hiroko records the address listed under his name in his yearbook and sends him a letter. Surprisingly, she receives a reply, and discovers it came from his old classmate, a girl who also happens to also be called Itsuki Fujii.
Kobasashi was learning Spanish so that she could go to Spain to look for her father who had left the family. She fell in love with her language teacher Ken. Finally she found her father in Madrid and she also met Ken's ex-girl friend Taeko there. Ken came to Madrid and learned of their meeting. He wanted her to help to look for Taeko. Ken was caught in between the past and the present.
Once again we focus on Nami Matsushima. This time she has a sister who goes missing and after getting too caught up in doing something about it, our innocent heroine is given a fifteen year sentence for a murder she didn't commit. She's sent to an all women prison where she's not exactly welcome. Her fellow inmates torture, humiliate and try to kill her; but the Scorpion prevails long enough to get some justice.