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.
- Genre: Crime, Mystery, Fantasy
- Studio: Office Crescendo, TOHO, TBS, KADOKAWA Shoten, King Records, MBS, CBC, RKB Mainichi Broadcasting Corporation, TC Entertainment, Hokkaido Broadcasting Co.
- Keyword: japan, detective, investigator, super power, spec
- Cast: Erika Toda, Ryo Kase, Ryunosuke Kamiki, Chiaki Kuriyama, Saki Fukuda, Atsushi Ito