Alena Belkova has everything she could dream of: a successful career under the guidance of her loving father, Vladimir Aleksandrovich, head of a major medical center; her stepmother, Natalya, who has become a truly loving "second mother" to her; and her fiancé, Yegor, a talented surgeon. But a routine medical expedition to the Arctic, to her childhood hometown of Belozersk, unexpectedly changes her life completely.