Guerra civil rusa (1918-1920). Drama histórico basado en la figura de Aleksandr Vasilievich Kolschak, comandante y explorador del Ejército Blanco, que se enfrentó, en Siberia, al Ejército Rojo (organizado por Trotski) durante la guerra civil rusa. Kolschak era un antibolchevique convencido y partidario a ultranza del zarismo. Hombre casado, tendrá también que combatir un amor prohibido: Anna, la joven mujer de otro oficial, a la que conoció cuando conducía sus tropas hacia Siberia.
Fifteen-year-old Marina is given a terrible diagnosis - leukemia. Parents are shocked and they decide that only abroad can heal their child. But the oncologist Olga Nikolaevna convinces them that the girl cannot be taken away, but must be treated here, at home. In addition to everything, Marina has a rare blood group, which doctors do not have reserves of. The girl’s mother also cannot become a donor - she is expecting a second child, and an operation must be urgently needed ...