Traveling back in time is possible. Reading a novel –War and Peace– or watching a movie. Back to the Future, for example, is an allegory about how the past has conditioned the life of the protagonist, Marty McFly, and how, back in the future, which is his present, he has learned – or not – from the experience. Can we learn anything about our present and our future by watching Save Private Ryan or the much lesser-known film The Winter War, an epic and also brutal recreation of the Russian invasion of Finland in November 1940, and the unexpected resistance encountered by the Red Army?