A young man appears in the middle of a square with a bomb attached to his neck. The Special Investigation Unit is called to save the life of the man and find out who is behind the attack.
Saburo Tamaru gets a call from a friend, who seems to have some important information. They agree to meet at the station, but the friend is killed before he can relay his information to Saburo. The Special Investigation Team will try to find the reason behind this killing and the information Saburo's friend was trying to pass him.
The Heisei Restoration Army planned an attack against the government. The SSS' attempts to solve the case by looking for Sakamoto's passwords to his computer.
