It begins with Tetsu patrolling the streets. At the end of the patrol Souji went to buy candy from a store while being peek by a little girl. He gave the candy to Tetsu later. Souji returns back to HQ and noticed Tatsu who was carrying books. He also noticed Sakamoto Ryoma who was hiding. Sakamoto is the person who is looking for the peacemaker's son and wanted to help clean japan but is also a wanted man. Souji called for help but Ryoma still esacpes. (thetvdb.com)