**Episodes are numbered continuously. Season 2 starts at episode 14. SPs are also numbered, but are not part of any given season.**
"Furuhata Ninzaburo" is collection of true mystery stories in which the detective, Furuhata Ninzaburo, must solve ingenious crimes and outwit elusive criminals. Although Ninzaburo 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 conducts himself as a gentleman, and uncovers the tricks which outwitting genius criminals play by cool reasoning and smooth talking. In every episode, Ninzaburo will introduce a different criminal in his memory, and share his experience tracking and interacting with these criminals.