Toma Saya (Erika Toda), a detective with an IQ of 201 and have a "don't care" personality, gets a new partner after a mysterious incident, which put her left arm in a sling. The new partner she gets is Sebumi Takeru (Kase Ryo) who got transferred from the top Metropolitan Police to her department that specializes in solving crimes with special abilities called SPECS.
From the beginning, Sebumi was blamed for shooting one of his underlings for no reason, but there is more to the story. Sebumi tells them that the bullets shot came from his underling, the shooter. How could the bullets shoot back at the shooter and what happened to Toma's arms? Watch and find out.
Pay close attention to little details and try to solve WTH is going on with this show. It is not your typical mystery and detective drama.