Katia and Polina are long-time friends. When Katia leaded Alexander – Polina’s boy-friend – away from Polina their friendship turned to hate and offence. The ways of the girls seemed to be parted once and for all.

Alexander married to Katia. The couple adores each other but their family idyll is broken up by the unexpected news that Katia is seriously ill. In spite of treatment her state is permanently getting worse but she keeps secret upon this out of her husband. And the last medical check-up brings a conclusion that every day of her life can become fatal for her heart. After spending a sleepless night and overcoming herself, Katia has taken a serious decision. Sasha must be happy with another woman and this must happen before her death. The best woman in her opinion is Alexander’s previous girlfriend – Polina.

Katia starts searching for her old friend and finds her. As it was expected it hurts Polina even to see Katia. She is doing the best she can to avoid meeting the one who broke her happiness but the way things happen reveals Katia’s secret.

Will Polina be able to forgive the betrayal of her friend? Will she understand Katia’s plan? Will Sasha resist the memories of his first love?