The story is set in 1919, just after WWI has ended and the reds took over half of Europe. I wouldn't call them Russians, as you'll find out from the movie, that besides Russians there were Latvians and even Estonians in the red army. Unfortunately history repeats itself, in war it happens that brother fights against brother, or blood against blood.
It's a patriotic movie, of course. Estonians, as many other nations in the world fought for their freedom. What I liked in this movie is that it gave back very well the atmosphere of that time (excellent photography, and CGI perhaps) and also depicted very nicely the Estonian coutryside. Watching this movie I felt the urge to visit this country. Also liked very much that the film didn't want to make heroes. In contrary, it showed the weekness of these young students, the fear they felt being in war, killing other people. They were just victims of the war.
I bet this is one of the highest budgeted Estonian movies. But still very low budgeted comparing to American movies of the same category. So don't expect the same war scenes. However I liked it, as it is.
Only thing I can criticize in this movie is that the story is a bit too simple, too obvious. That's why I rated it 7/10. However it's an outstanding movie.