Chief Inspector Valeria Ferro investigates the murder of 15-year-old Sara Damiani, whose body is found in a flooded basement.

The investigation into Sarah Daminai's death continues; Valeria's mother, Lucia, is released from prison.

Guglielmo Mantovani is murdered in what appears to be the tragic consequence of a home robbery; his children seem to be hiding something.

Mantovani family secrets start to unravel during the murder investigation; Valeria goes to live with her Georgio Lombardi, her boss and boyfriend.

Graziano Torri calls the police; his pregnant wife, Alessandra, is missing; Valeria arrives to the scene and discovers a mysterious and recently dug hole.

After a particularly tense altercation, Lucia understands that her family will never be able to forgive her and that perhaps it would be best for her to disappear.