Saya Toma is a female detective with an IQ of 201. Takeru Sebumi is a career detective with a distinguished background. They work on cases by postulating the "SPEC" of the unknown criminals and then deduce the criminal's unknown "SPEC" to make arrests. A mystery occurs when bodies are found on a cruiser in the ocean. Saya Toma and Ryo Kase of the Tokyo Metropolitan Police Department are brought in to solve the case.
Erika Toda
Ryo Kase
Ryunosuke Kamiki
Chiaki Kuriyama
Saki Fukuda
Atsushi Ito
Takahiro Miura
Kippei Shiina
Denden
Yuko Asano
Raita Ryu
Akaji Maro
Go Riju
Kasumi Arimura
Kohki Okada
Kazuyuki Matsuzawa
Ryuji Sainei
Koji Ishikawa