Watch Online Free on Watchseries. Ataru, who suffers from “savant syndrome,” has the power to discover, observe, see through, and deduct microscopic evidence of unsolved cases. Why does he always go to the criminal sites? What explains his strange behavior? Meanwhile, a mystery unfolds with Ataru and a woman named Madoka, who is a killer. The woman possesses the same extraordinary memory and deductive reasoning abilities as Ataru. Who is she?