The story of Edgardo Mortara, a young Jewish boy living in Bologna, Italy, who in 1858, after being secretly baptized, was forcibly taken from his family to be raised as a Christian. His parents’ struggle to free their son became part of a larger political battle that pitted the papacy against forces of democracy and Italian unification.

One dark night during the early phases of WWII, the Italian Royal Navy submarine Cappellini sinks an armed merchant ship sailing with lights out. At that moment, its commander Salvatore Todaro makes a decision that was destined to go down in history: to save the 26 shipwrecked Belgians who otherwise would have drowned in the middle of the Atlantic Ocean and disembark them at the nearest safe harbor. To make room for them on board his submarine, he is forced to navigate on the surface of the water for three days, visible to the enemy forces and endangering his life and that of his men.

Angela is a dedicated and sensitive carer. She is a widow. Her husband, as many other workers in the area, died from asbestos-related diseases. When the man responsible for the many deaths, now crippled, is hospitalised, she accepts his son’s offer to become his caregiver, hoping to take her revenge.