A mysterious code written with letters and numbers is found on a street in Kyoto. Yoshito Takuma (Tsuyoshi Kusanagi) and Chinami Anekoji (Kaho Minami) begin to investigate. They discover that something happened at the place where the code was found on stickers and they also discover a dead body. A man known as "Writer" is suspected of being the culprit. To find the man known as "Writer," Yoshito Takuma infiltrates into Shiga central prison. --asianwiki

The Security Guard Center sets the stage for this drama that stars Mamoru Shinomiya, a newly-hired emergency responder. Together with his brilliant colleagues, all of whom have colorful personalities, they tackle one emergency after another with flying colors and restore the safety and security of their clients and the public.