Kiyoshi Kuga attends law school, aiming to work in the legal field as a lawyer. His childhood friend Mirei Orimoto also attends the same law school. One day, a leaflet is distributed by an anonymous person at their law school. The leaflet makes accusations about the past of Kiyoshi and Mirei. Soon, unpleasant cases takes place around them. Kiyoshi talks to Kaoru Yuki, who is an extremely smart classmate and in charge of the mock trials. These three people chase after the truth, but they face an unexpected situation.