Lida and her younger sister Larissa are violently separated during a Nazi medical examination.

Lida wakes up locked in a cattle car crammed with children and headed to Germany.

Luka warns Lida to lie about her age and demonstrate a useful skill or she will be killed.

Children arrive at a Nazi work camp where they are shaved, sprayed with chemicals, and processed.

Zenia whispers to Lida that she is Jewish, and Lida gives Zenia her family crucifix to help her pass as Christian.

Lida shows Officer Schmidt her beautifully stitched badge and is assigned to work in the camp laundry under Inge.

Juli tearfully reveals that Nazi doctors drain blood from the youngest children and give it to wounded soldiers.

Lida and five other dexterous girls are transferred to a bomb-making factory in the nearby city.

Officer Schmidt poisons the Russian soup, murdering all the OST workers who remained in camp.

The girls secretly sabotage the bombs they assemble, substituting dirt for gunpowder to aid the Allies.

An Allied bomb strikes the bomb factory and the girls barely escape before their workroom is destroyed.

Juli shoots Officer Schmidt with a pistol; both Juli and Schmidt die from their wounds.

A Hitler Youth captures Lida and transports her to a brutal ammunition factory prison with even worse conditions.

American soldiers crash through the door and liberate Lida and the other enslaved laborers from the ammunition factory.

Lida receives a letter from Larissa — now called Nadia — who is alive and living in Canada.

Lida is torn from her younger sister Larissa and locked in a cattle car bound for a Nazi work camp in Germany. At the camp she must prove herself useful to survive, eventually securing a position in the laundry through her sewing skill. As conditions grow increasingly brutal, Lida is transferred to a bomb-making factory, where she and the other girls secretly sabotage the weapons they are forced to assemble. Allied bombing destroys the factory, and camp guard Juli sacrifices her life to help the prisoners escape, but Lida is recaptured and sent to an even harsher ammunition prison. American soldiers ultimately liberate Lida, and after years in refugee camps she finally receives a letter from Larissa, alive in Canada, promising reunion.

The headline story of Lida's captivity, resistance, and survival as a Nazi enslaved laborer.

Lida sings a lullaby in the cattle car and all the frightened children join in for hours.

An emaciated enslaved woman warns the children through the train door to be useful or they will be killed.

A Nazi policeman records Lida as Russian rather than Ukrainian on her birthday; she falsely claims to be thirteen.

Lida receives worm-filled soup from the lowest-quality pot, reserved for prisoners the Nazis classify as Russian.

Lida carefully stitches beautiful patterns around her OST badge, creating beauty within the ugliness of her label.

Inge calls Lida an exceptional worker and praises her precision to the camp officer after their first days together.

Luka is injured during a bombing of the metalworks factory in town and taken to the camp hospital.

Lida sneaks into the hospital at lunchtime and finds Luka recovering from a cut leg.

Inge rewards Lida's fine needlework with a blue flannel shirt, which Lida shares with every girl in Barracks 7.

Lida arrives at a refugee camp and searches a stone wall covered in notes from people seeking lost family.

Teacher Pani Zemluk warns Lida never to reveal her identity to Soviets and not to return to Ukraine.

Natalia reunites with Lida at the refugee camp and reveals that Kataryna was killed by a land mine while escaping.

Lida and Luka travel between refugee camps, hiding their identities to avoid Soviet forced repatriation.

Lida and Luka settle in a displaced persons camp in Germany, building a life using their individual skills.

A Red Cross worker tells Lida that finding Larissa will be very difficult because the Nazis destroyed their records.

From the moment the cattle car door locks behind her, Lida finds both danger and unexpected solidarity in the people around her. Small acts — a shared warning, a praised stitch, a contraband piece of bread — determine who survives and who does not. Lida's skill in the laundry earns her modest protection, and her friendship with Luka deepens as they each navigate injury, separation, and impossible choices. After liberation the struggle continues in refugee camps, where Lida searches message walls, attends school, and confronts the Soviet threat that makes returning home impossible. Years of patient searching finally lead to the discovery that Larissa is traceable, even as every official channel seems to close.

The daily struggles, small kindnesses, and significant moments woven through Lida's captivity and its aftermath.

A Nazi officer orders Marika taken away after she collapses at the work camp, showing Lida the fatal cost of being useless.

Luka risks punishment to quietly warn Lida to stay away from the camp hospital.

Juli apologizes to Lida for her earlier cruelty about Ukraine and the two begin a close, lasting friendship.

Lida breaks down crying in the washhouse after finally learning that the youngest children are drained of blood and die.

Lida and Luka pledge to protect each other and treat one another as brother and sister.

Lida discovers emaciated Germans being quietly starved in the hospital because they are no longer useful to the Nazis.

Lida refuses Inge's hearty sandwich and asks for a shirt instead, intending to give it to Zenia.

Officer Schmidt reassigns Lida from the safe laundry to the dangerous bomb factory as punishment for being too comfortable.

The bomb-factory supervisor begins abandoning his post for hours at a time, giving the girls the chance to sabotage.

After the factory explosion, Lida glimpses a girl who looks like Larissa waving from a Nazi officer's car window.

A toothless woman on the truck to the new prison returns Lida's crucifix, passed back through Zenia before she escaped.

An American soldier shares his chocolate with Lida, treating her with dignity and as a human equal.

Lida prays in the refugee camp church and Luka suddenly appears, having escaped by hiding in a truck of corpses.

Luka returns to camp beaten and bloody, revealing the Soviets deceived him, beat him, and his father is long dead.

Larissa's letter reveals she spotted Lida outside the burning factory but the Nazi family prevented her from reaching Lida.

Lida's survival depends on a series of pivotal moments where a single choice or revelation changes everything. Learning the truth about the hospital, pledging loyalty to Luka, and refusing Inge's food in favor of helping Zenia all reveal the moral courage driving Lida forward. Being punished by reassignment to the bomb factory forces her into active resistance, and glimpsing Larissa through a car window transforms her abstract hope into urgent certainty. Even after liberation, the emotional turning points continue — Luka's devastating return from Soviet captivity, and finally Larissa's letter confirming she remembers and has been searching, bring Lida's long ordeal toward an unexpected but hard-won resolution.

The key decisions, discoveries, and emotional shifts that define who Lida becomes and how she survives.