Husband and wife kill their neighbors after a six years war.

The incredible story of the arrest of a quiet couple from a small village in northern Italy accused of a terrible massacre. They killed three women and a little baby who lived next door and managed live for over six months with their secret.—Anonymous

Based on original investigation documents, some entirely new, the film tells one of the most heinous crimes of the Italian history: the massacre of Erba. Using professional actors, faithfully reconstructs the sequence of events, the investigation and the facts that preceded the terrible massacre carried out by spouses Olindo Romano and Rosa Bazzi, who killed Raffaella Castagna, his son Youssef, her mother, Paola Galli, and the nearby house Valeria Cherubini.