A female school teacher is implicated in a murder in a Sicilian town only hours after her arrival. The dead man insulted her on the bus on the way into town. As the mystery unfolds, it becomes clear that the town is hiding some very sinister secrets.

After returning to Catania after a long period of time, Giuseppe reunites with his old lover, Caterina. Her 15 year-old daughter, Graziella begins to seduce her mother's lover and he soon breaks down and begins an affair with her. As time passes Caterina begins having sneaking suspicions about Giuseppe's & Graziella's relationship.