Synopsis

The seven detectives are slowly drifting apart as the detective career begins weighing on them, and at the same time, an anonymous individual starts an exposure channel to whistleblow on the police, accusing them of wrongdoing.

The channel seems to be linked to a murder case from 10 year ago, which Katagiri Masatoshi is also linked too, and several other mysterious people who hold the key to the incident begin to appear before Amagi and the others, with a sad truth awaiting them all…