Despite being confined in isolation, Samuele and Federico continue to exert their influence. Rosa faces a painful moment and a truth that someone tried to bury reemerges. A mysterious girl wanders through the alleys of Naples.

As the past of one of the new arrivals is revealed, the Nordics continue their activities. Sofia is forced to bring a person to IPM who is close to the Nordics. Milos receives an unexpected visitor and Dobermann slips further into the abyss. A discovery turns the IPM upside down and Rosa decides to face her past.