On June 22, 1941, near Brest, the first blow of the Wehrmacht was taken by the border guards and garrisons of the still unfinished pillboxes. Having no order to retreat and awaiting help from army units, they fought to the last bullet, not surrendering an inch of Soviet land. Most of them remained on the border - killed, but not broken... Our contemporary gets the opportunity to test himself by going back in time. The transfer is ensured by virtual reality technologies, and for Roma Samsonov everything that happens seems like a blood-stirring adventure... until it turns out that there is no turning back and if he dies in the past, Roma will die for real. Now he is a fighter of the 3rd outpost of the 17th Brest border detachment, and his fate is closely intertwined with the fates of the Soviet soldiers who died back in '41...