As they bring season 3 to a close, Natsumi and Miyuki reflect on their experiences at Bokuto station and catch up with acquaintances they've made through work, including only those featured in this season. Additionally, we meet the station's latest recruits, Kaori Takano and Sakura Fujieda. During a field trip led by Miyuki and Natsumi, the newcomers gain insight into the responsibilities and demands of being police officers.