The action takes place in one of the most picturesque regions on the banks of the Volga, the "Zhigulevsky" mountains
Five 16-year-old teenagers from Russia (Vassily), America (Tom), France (Nicole), China (Li) and Italy (Vicenco) take part in a game. They must find a treasure hidden in the mountains by the famous Stenka Razin. The young people become competitors and become friends, and each is ready to risk his life for the others. On the other hand, a group of "bad adults" is trying to find the treasure at the same time...