A Parisian detective who falls in love with Nanette and becomes engaged to her. After her disappearance and murder, he investigates the killings, including that of her boyfriend and later her mother. His investigation leads him to create a killer sketch, which turns out to be himself. He realizes his blackouts make him the murderer, confesses, is diagnosed with schizophrenia, escapes custody, attempts to kill Pierre, and is ultimately shot dead by the police commissioner.
Unwitting victim of the same killer the detective investigates.
Protagonist's fractured psyche manifests as the hidden killer.
Engaged couple whose relationship is shattered by tragedy.
Detective and innkeeper connected through engagement and local cooperation.
Explore the full interactive character relationship map of So Dark the Night