The story of Fantômas, the first villain of modernity, from his birth in 1911 as a novel character to his contemporary vicissitudes, passing through Louis Feuillade, André Hunebelle, surrealism and Moscow.
Drama is based on series of mystery novels by Sakaki Tsukasa - "Hikikomori Tantei". Torii is a hikikomori who can make deductions even when he's given very small amount of information. His friend Sakaki works in insurance company and he's the only person who can help Torii to break out of his hikikomori style. They begin to solve mystery cases together.