Testori has understood that Lombardo is monitoring him and uses another number. One evening the PM lurks under the director's house and he confronts her with a hard face. Massini discovers that Piras takes money from a prisoner. Testori continues to study Muslims, even more so after the death of a jihad leader, and discovers that Muslims communicate with the outside world through books; meanwhile the broker Ibrahim is killed by a hit-and-run driver.