Anatomy teacher Alexandra Gelman demands the impossible from her students, because she knows firsthand: when life hangs by a thread, only the hands of a doctor can save it. Since childhood, Alya has been forced to fear for herself and her loved ones and learn to survive in the cruel world of shadow business. After all, her father - Efim Gelman - is respected both among businessmen and their blood enemies - crime bosses. Recently, an attempt was made on Efim’s life, and while he is in the hospital, Alexandra, with the help of her husband, begins to look for the customer. It was like this in their family: of Fima’s three children, only she is capable of acting decisively and toughly, always ahead of her formidable opponents...