It's 2005. The Italian secret service has received intel that a group of Muslim immigrants based in the Viale Marconi neighborhood of Rome is planning a terrorist attack. Christian Mazzari, a young Sicilian who speaks perfect Arabic, goes undercover to infiltrate the group and to learn who its leaders are. Christian poses as Issa, a recently arrived Tunisian in search of for a job and a place to sleep. He soon meets Sofia, a young Egyptian immigrant dressed in a burqa who lives in the neighborhood with her husband Said, a.k.a. Felice, an architect who has reinvented himself in Italy as a pizza cook.