Ninzaburo Furuhata must solve ingenious crimes and outwit elusive criminals. Although Ninzaburo Furuhata is a government officer, he does not wear a tie. Although he specializes in murder cases, he does not carry a gun. He does not use violence. More than anything, Ninzaburo Furuhata conducts himself as a gentleman, and uncovers the tricks which outwitting genius criminals play by cool reasoning and smooth talking. In every episode, Ninzaburo Furuhata will introduce a different criminal in his memory, and share his experience tracking and interacting with these criminals.