The junior detectives he works with transfer because he’s too hard on them; his fellow commissioner is trying to force him out. Even his family has walked out of his life: his adult daughter has moved to Bologna, and his wife has left him for New York. All signs are telling Trotti that he needs to make a change. Instead, he digs in his heels. 

The city is in an uproar after a young girl is attacked in her bed by an intruder. Aided by the one junior officer who still listens to him—a dogged, unflinching female brigadier named Ciuffi—Trotti sets to work, trying to figure out the truth.