There is no more zone, it remains only to be sad for the old days and nostalgic, turning your bar on the outskirts of St. Petersburg into a memorial of anomalous territory. But the sudden disappearance of old friends in the middle of the city again changes the life of a veteran stalker. Having followed the trail of the missing, he finds himself in an unknown place and the further, the more convinced he is - it was there that another Zone arose. Helping new, very unusual acquaintances leads to dangerous adventures: a mysterious laboratory, murders that their company is accused of... Compounding the set of troubles is the fact that they are haunted by one of the creepiest mutants, and some buddies are not what they seem. The stalker will have to figure out all the secrets that anomalous lands threw at him, called the "Peter Zone."