Rampo gets a ride to the police station, but the officer doesn’t seem to be who he says he is.

The Detective Agency receives an urgent request from the government to investigate a series murders perpetrated by the same culprit.

Atsushi and Kyoka help Mushitaro escape. However, they get surrounded by the Bureau, led by Ango Sakaguchi.

Teruko goes head-to-head with Sigma. Tachihara rethinks the Agency’s innocence after re-infiltrating the Port Mafia.