In the harrowing landscape of Auschwitz during World War II, twin sisters Pearl and Stasha Zagorski endure the horrors of Dr. Josef Mengele's experiments. Bound by their shared experience and a private language, they navigate the camp's terrors and fleeting privileges. When Pearl mysteriously vanishes, Stasha clings to the hope of her sister's survival. As the camp falls to the Red Army, Stasha embarks on an odyssey across war-torn Poland with a fellow survivor, each driven by vengeance and hope, in the hunt for justice and a new future amidst the ashes of the past.