Falcon

Falcon is a 1981 Japanese television period drama about a shogunate official, Inuijuzaemon (Shogo Shimada), who concludes that the only fix for a corrupt government and a decaying samurai code is to attack it from the shadows. He has Gennosuke Inui (Asahi Kobayashi) assemble four agents into a secret investigation unit, and the group works out of a Fukagawa tea house, digging into the crimes hiding beneath ordinary city life. The series ran from October 1981. On CelebMasta the title is filed under Hayley Atwell, with 1 scene in the archive, a short sexy clip rather than a full nude sequence.