An old man suddenly realizes that both his daughters aren't happy so he decides to help them to find happiness.
Follows the famous Oryol trotter, multiple champion of the beginning of the century. Then - in sharp battles on the tracks of hippodromes - the fate of domestic horse breeding was decided. The world of animals and people is shown through the perception of a horse named Big Boy.
An endemic fever arose in the large Siberian construction area. Four scientists involved in the development of a vaccine against this disease, and whose laboratory was threatened with closure, are sent to the center of the outbreak. They manage to find the cause of the infection and create a vaccine.
