Inspector Valeria Ferro takes charge when the body of 15-year-old Sara Damiano is found in a flooded basement. Her father and diving coach, Giancarlo, hears the news while at TV studio where he was going to make an appeal about her disappearance.

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, but his children seem to be hiding something.

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

Graziano Torri calls the police because his wife, Alessandra, who's just told him she's pregnant, is missing. Valeria arrives at their home and finds a recently dug hole that's been filled with cement.

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.