For Yuri, as for so many other people of his generation, war has become such a fact of life that its signs—artillery fire, in this case—are recognizable, familiar facets of life. Still, Yuri is unprepared for the hostile, distrustful nature of the civil war frontlines. Unlike in World War I, the civil war’s opposing lines are not clearly defined, and spies are everywhere, leading the sentries to mistake Yuri for a White agent trying to infiltrate their command center.