Onihei Crime Files: Conscience of a Worm

Original title: 鬼平犯科帳スペシャル 一寸の虫

Directed by Shigeru Ishihara

Detective Onihei better known as "Heizo the Demon" heads a group of skilled officers, however, one of those special officers got himself into a web of betrayal and deceit, and become the very thing Heizo the Demon investigates daily.