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.
Key credits listed on this page include Vasili Ordynsky, Valeriy Karen, Daniil Khrabrovitsky, Vladimir Gribkov, Margarita Anastasyeva, Mikhail Mayorov, Nikolai Timofeyev, and Daniil Netrebin.