After a forced career ending due to a professional injuryç Dominika Egorova and her mother face a dark and uncertain future. The heroine agrees to become a recruit in the School of Sparrows, a secret service that teaches unique young people to use their body and mind as a dangerous weapon. After a long sadistic education, the girl turns into the most dangerous Sparrow in the history of the secret service. Now the former ballerina must reconcile the person she was with, and the power she has mastered, with her own life and the lives of all who are dear to her. Including, the American agent of the CIA, trying to convince her that he is the only person she can trust
