After Takayama's morning shooting practice with Sakurai, the Defense Four (Takayama, Sakurai, Iwaizumi and Haruka) are tasked with finding the Tokyo station bomber's accomplice. Takayama and Sakurai find and pursue him, waiting for backup from the public safety force (PSF). They lose him after he exits the train and runs into a forest and end up spending the night at a station together...