After a long journey, a father with two children comes to a country house. Restless and impatient children, leaving their father, begin to play "war", running around the neighborhood. Keen in their game, shooting and dodging imaginary bullets, they encounter the remains of an old armored tank. Worried, they run to explore the tank, which is in the place where a fierce battle was once fought. Suddenly, a series of strange events are taking place, and children see with their own eyes that a real war was really going on here ...