The talented obstetrician-gynecologist Margarita Kruglova is released from prison, where she served her sentence for the murder of her husband. Now she needs to restore relations with her daughter Vika, who was 11 years old at the time of the crime, but her father's parents took custody of her. Trying to improve her life, Margarita gets a job at the hospital, where she worked before prison, and, taking into account her past merits, she was hired as an operating room nurse.