On this Sunday episode, V chats with Veronica Leigh about her book "The Keeper of Lost Daughters: A WWII Historical Fiction Novel"

The moment Lidia laid eyes on the abandoned baby on her doorstep, she knew she would risk everything to protect her forever.

1941, Krakow. Lidia Sobieska hears a knock on the door and is shocked to find a baby in a basket on her doorstep. Attached to the basket is a letter from the baby's mother, begging to save her daughter Suzanne from the Nazis. Always wanting children of her own but unable to conceive, Lidia knows there is only one right thing to do. She names the baby Sophie and vows to do everything she can to love and protect her.

As living conditions in Krakow worsen and food rations dwindle, Sophie becomes Lidia's light. Witnessing the inhumane conditions of the nearby ghetto, Lidia is determined to do what she can to save more lives. With help from the local priest, she adopts Eva Diamant, a thirteen-year-old Jewish girl in need of a safe home. As the girls form a new family, Lidia will go to extreme lengths to conceal her daughters' real identities and get them through the war.

1946. It's been years since Lidia had to fear for her girls, until a sudden knock on the door threatens to change their lives forever. On her doorstep stands a man who calls himself Adam Altman, claiming to be Sophie's biological father. His story is full of horror and bravery, and he has gone through hell to retrieve his daughter. But Lidia did not risk everything for a stranger to tear apart her family. She will not give up her daughter without a fight.