Yorkshire, 1943. Lily Baines, a bright young debutante increasingly ground down by an endless war, has traded in her white gloves for a set of headphones. It’s her job to intercept enemy naval communications and send them to Bletchley Park for decryption. One night, she picks up a transmission that isn’t code at all—it’s a cry for help.

In late March 1944, as Stalin’s forces push into Ukraine, young Emil and Adeline Martel must make a terrible decision: Do they wait for the Soviet bear’s intrusion and risk being sent to Siberia? Or do they reluctantly follow the wolves - murderous Nazi officers who have pledged to protect “pure-blood” Germans? The Martels are one of many families of German heritage whose ancestors have farmed in Ukraine for more than a century.

It is the autumn of 1943, and life is becoming increasingly perilous for Italian Jews like the Mazin family. With Nazi Germany now occupying most of her beloved homeland, and the threat of imprisonment and deportation growing ever more certain, Antonina Mazin has but one hope to survive - to leave Venice and her beloved parents and hide in the countryside with a man she has only just met.

It’s July 1946, and after a decade of Depression and war, life in America is returning to normal. But for Charlotte and Mary Oswald, one tumultuous summer will unearth all their secrets and upend their world, once again. Charlotte Oswald’s life is dictated by rules. Where she can go. Whom she can speak to. How she can spend her long, dull summer days. It’s a small, closeted existence, but necessary to protect Charlotte, who has suffered from debilitating fits since childhood.

As children, Eva Rosselli and Angelo Bianco were raised like family but divided by circumstance and religion. As the years go by, the two find themselves falling in love. But the church calls to Angelo and, despite his deep feelings for Eva, he chooses the priesthood. Now, more than a decade later, Angelo is a Catholic priest and Eva is a woman with nowhere to turn. With the Gestapo closing in, Angelo hides Eva within the walls of a convent.