The #9 investigation team has been disbanded and members of the #9 investigation team have been scattered around. One year later, the Chief of the National Police Agency, Sojiro Kandagawa, orders the creation of a special investigation team to cover from the initial investigation until it is sent to the prosecutor's office. Sojiro Kandagawa appoints Sakutaro Munakata as the leader of the special investigation team. Former #9 investigation team members join the special investigation team.

A famous chef who is tasked with tracking down a 70-year-old missing recipe.

Kazuo kills his lover by accident. He confesses what he's done to his wife Yuriko. She protects him to keep her beloved family.