Come and See (1985)

IMDB
Genre : Drama, Thriller, War
TRAILER
Director : Elem Klimov
Stars : Aleksey Kravchenko, Olga Mironova, Liubomiras Laucevicius, Vladas Bagdonas
Plot : After finding an old rifle, a young boy joins the Soviet resistance movement against ruthless German forces and experiences the horrors of World War II.