S1, E1: In order to solve problems related to slander on social media, the Metropolitan Police Department established the "Finger-Murder Task Force", also known as "Yubitai". The task force members, including Wataru Banjo (Shingo Katori), are an eccentric group. One day, the parents of Kozue Sanada, a model who committed suicide after suffering from abusive accusations, visit the task force. They make a tearful accusation that their daughter was killed by the heartless words of anonymous people. Sakura Usui(Nagisa Sekimizu), a new detective, hears their plea and promises, "We will definitely apprehend the criminals!"