Az is seven years old girl lives in small village with her parents. Az soon will have baby sister. It is the most joyful moment for her life. But this joy wouldn't last long, because her mother dies after the birth. Tseden will raise her daughters in difficult condition. But Az will struggle with all those difficulties. She becomes strong and smart, she will take care whole family. Tsende's sorrow will disappear as time passes. Tseden starts to sell milk in the city. Mean time two daughters stays home alone for few days. As their life gets better sad news comes from city. Tseden dies in an accident.
The hospital is a socially closed world, and the hospital director Davaa has established special rules and surrounded himself with people who can keep their mouths shut. However, the new young doctor does not like him. However, a criminal suspect sent by the police to determine his mental state arrives at the hospital. Although the suspect is temporarily in shock, the director makes him think that he is seriously ill and leaves him in the hospital and puts him in the care of the young doctor. The hospital has many patients who live in their own world, including alcoholics, an artistic delirium, a bookworm, a suspicious delirium, and a boy with congenital mental retardation. After the new patient arrives, after many events that have happened to him and others, he decides to stay there. However, the young doctor is forced to leave the hospital.
The Khan of the Mongol aimag secretly sends his warriors to take the princess of Bokhem from the Khan of the Nirut aimag to his prince Sorogto. Because according to the words of Princess Saran and her mother, Queen Gilben, the tribes are discussing the need to give birth to a son who will unite everything under the sky. However, getting the princess is very difficult. Bokhem Khan is protecting the princess from the "crazy tiger Crab" who killed his brother Sargai agi in order to become the Khan of Nirut. A complex story involving the Mongolian aimag general Chuns, his son Beret, the leading warriors Tungar, Suder, Ayanhal, and the Nirut warriors Sukhlai, Khalchir, and Erloy shaman... Who will give birth to the TNGRI boy who will establish peace in the universe?