Angela is a dedicated and sensitive carer. She is a widow. Her husband, as many other workers in the area, died from asbestos-related diseases. When the man responsible for the many deaths, now crippled, is hospitalised, she accepts his son’s offer to become his caregiver, hoping to take her revenge.
After witnessing the mafa’s murder scene in Sicily, Calogero becomes a protected man and is sent to a small town in the Alps. Soon after, the killer he reported, now an informant, comes to the same town and the sleep with the enemy begins.