Constable Rail, the rookie agent of ACCA's Badon branch, has a profound dislike for elite agents in ACCA headquarters and has it out for Jean. Meanwhile, feeling watched, Jean asks for his friend Nino's help. With rumors of a coup d'état circulating among the upper echelons of ACCA's hierarchy, Chief Officer Grossular announces at the Five Chief Officers meeting that he has obtained credible information about the coup.

Jean has come to Suitsu District to do an audit. In Suitsu, excessive safeguards to uphold tradition and formality have restricted the exchange of goods and ideas between district residents and the outside world. Their isolation could be felt even by Jean, who then runs into residents discussing a coup by accident. Fearing disclosure, they kidnap Jean. Jean is about to learn a lot more about Suitsu residents and their opinions...

In Rokkusu District for an audit, Jean finds Grossular visiting his homeland. Jean has an honest conversation with Grossular about his thoughts on the coup rumors before he departs. Back in Badon, the Inspection Department staff are abuzz with plans to celebrate the coming new year. Eventually, they decide to go to the party held at Jean's apartment complex. Jean welcomes the new year surrounded by his colleagues.

While Jean is away on an extended trip to audit three districts in a row, there are signs of unrest that begin to close in on Lotta. Magie contacts Rail that Lotta is in danger upon learning of the events set in motion. Rail acts to protect Lotta, but the shadowy figures draw ever closer.