Inoue (Junichi Okada) could not shake his suspicion regarding the shocking remarks made by his team leader, Ogata (Shinichi Tsutsumi). With his special abilities, he constantly sensed and synchronized with the presence of threats hidden within the seemingly peaceful appearance of daily life. Then, one day, a large-scale terrorist incident erupts in Roppongi. The terrorist's evil hand was also directed toward the members of Section Four, including Sasamoto (Yoko Maki).

It has been 2 months since the events of "SP: The Motion Picture". The members of the Security Police Department’s Section 4: Inoue Kaoru (Okada Junichi), Sasamoto Eri (Maki Yoko), Yamamoto Takafumi (Matsuo Satoru) and Ishida Mitsuo (Kamio Yu) are taking a brief day off from their daily duties. However, around that same time, Ogata Soichiro (Tsutsumi Shinichi) and the others are proceeding with preparations for the “plan” to come. Tanaka Ichiro (Nomaguchi Toru) of the Public Security Department has continued with Ogata’s identity check and finally reaches a shocking truth... Inoue and the rest do not yet know... that an unprecedented situation is about to rock Japan 24 hours later.

Two months after the terror attack targeting the Chief Cabinet Secretary. Inoue (Junichi Okada), an SP in the Metropolitan Police Department, is put in charge of security at the Diet (National Assembly) under orders from his superior, Ogata (Shinichi Tsutsumi), despite his growing distrust of him. And just as the vote of no confidence for the Yuzo Asada (Kei Yamamoto) cabinet is about to take place, gunshots echo through the Diet building...