"Special Cold Case Investigation"), was set in a fictional version of the Tokyo Metropolitan Police Department division that specializes in investigating cold cases, which is based on an actual division established in Japan in 2009.

Season two of Zettai Reido, subtitled Tokushu Hanzai Sennyū Sōsa (特殊犯罪潜入捜査, lit.

[5][6][7] The last leg of the second season featured guest star appearances by Yūsuke Santamaria and You Yokoyama.

[8][9] The opening and ending themes for season one and two are performed by rock duo Love Psychedelico.

[10][11] Izumi Sakuragi (Aya Ueto) is an energetic rookie detective assigned to the Tokyo Metropolitan Police Department's special investigations office.