The Kovalev family is going through hard times: dad, a former captain of the local Taiga hockey club, cannot recover from a serious injury, and mom has to cope with the role of the head of the family. Daughter in the midst of a crisis of transitional age, the youngest son has no friends. And when a boy brings into the house a tiny bear cub that has strayed from a bear on the outskirts of the city, their world begins to burst at the seams.

در پی حمله مغولها به چین ، چین به دنبال اتحاد روسیه با خود برای مقابله با مغولها است . یک ارتش روسی برای جنگ با لشگر مغول به مرز چین می رود و ارتشی از اسرای سوئدی هم در این جنگ آنها را همراهی می کنند...