Golosov ravine in Kolomenskoye is known as an intertemporal portal. According to legend, in the 19th century, two peasants decided to take a shortcut to their village through this ravine. We looked at the unkind greenish fog in which the upcoming path was drowning in surprise, but decided to go. When we reached the village, it turned out that 21 years had passed since their departure and they had long been considered missing. So Lisa, who has already seen a lot of pain and horror in her lifetime, witnesses how a teenager literally dissolves in a green haze. Together with the mother of the missing person, she takes on the investigation. It turns out that the boy was not the first one recently. Is time travel real or is it someone’s clever hoax to hide a kidnapping or murder? Lisa takes on this terrible mystery, but only to delay an even more terrible task that she must complete...