The story tells of Ge Cheng Yongwu, the brother who became a criminal, and Guiwu, the brother who became a police officer in the police room to search for a lesson of criminal police. The younger brother was arrested because he was found to be identical to the suspect's DNA in the attempted murder.

• Marina Fukuyoshi
• Nozomi Sasaki
• Rin Aizawa
• Yumi Sugimoto
• Anna Iriyama
• Yuki Kashiwagi
• Kazuma Sano
• Tomoka Kurokawa