Four

Directed by Vasili Ordynsky

With Vladimir Gribkov, Margarita Anastasyeva, Mikhail Mayorov, Nikolai Timofeyev and Daniil Netrebin

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.