Katia tries to save her 10-year-old son. The only match donor is Marina, but she can't donate because she is pregnant. Katia tries many thing to persuade Marina. In order to escape she goes into the prison for a crime she never committed. There she give birth to her child. Katia lose her son and seek for revenge from Marina. She succeeds and Marina's child dies. Marina escape from the prison in order to come face to face with Katia.