Eugene, Little Eugene and Katyusha (1967)

War, 1944. Soldier Zhenya Kolyshkin, a fragile intellectual from Arbat, sets out on New Year's Eve to collect a parcel, but stumbles upon a German dugout. He manages to escape, but guard duty is inevitable. Zhenya's predicament is brightened by Zhenechka, a communications officer in the Katyusha regiment.