Set against the backdrop of World War II, the story follows the lives of two sisters, Sabiha and Selva, who come from a prominent Turkish family. Despite their differences, they are united by love and loyalty as Selva, who marries a Jewish man, faces the challenges of living in Nazi-occupied France. The narrative unfolds with a gripping tale of courage and resilience as the sisters, along with a group of diplomats and ordinary citizens, orchestrate a daring plan to rescue Turkish Jews from the horrors of the Holocaust, culminating in a tense and hopeful journey on the last train to Istanbul.