Leningrad 1941. The war seems far away from the beautiful city, where everything speaks of a glorious past, when it was called Saint Petersburg. Tatiana is living the harsh reality of Stalinist Russia, squeezed into two rooms with her entire family, when Hitler invades the country and the terrible siege of Leningrad begins. Amidst the bombings, hunger, and terror, Tatiana experiences love. But Alexander, an officer in the Red Army, hides a mysterious and dangerous past. And while the merciless winter and the German army suffocate the city, their passionate love threatens to destroy Tatiana's family and reveal Alexander's terrible secret. Captives between two deadly forces, the two young people are swept away by the torrent of history, which sweeps away everything in its path...