Kuroi gashû: Aru sarariman no shôgen

Suspense drama about a married salaryman (Kobayashi) whose affair with one of his co-workers (Hara) is compromised when, returning from a clandestine meeting with his lover, he runs into a neighbor who is later accused of murder. Questioned by police about the neighbor, and blackmailed by his lover's neighbor, the salaryman's lies lead him on a path to destruction.