Desc: Tri dnya do vesny: Directed by Aleksandr Kasatkin. With Kirill Pletnyov, Elena Lotova, Evgeniy Sidikhin, Yuriy Itskov. During the siege of Leningrad a Nazi bombshell destroyed the storage of Experimental medicine institute where deadly dangerous viruses were kept. Leningrad faces the bacterial catastrophe and only 3 day before the spring comes are left. Doctor Maritskaya and an NKWD officer Andreew are trying to save the city.