The scientific world is shaken by a sensation: beneath the endless ice of Antarctica, a microorganism of unknown origin has been found. Later, traces of TF—the unique “Tephid Project”—were discovered in the nearby Moscow region, when unknown people opened fire on a police vehicle near the Raiki airport and blew up a bridge, just to reach the contents of a metal container. And a few days later, at the other end of Moscow, at a half-built hospital that had long since become a place of worship for stalkers, the participants of an extreme excursion were attacked by a monstrous creature. The case immediately became widely publicized. Now Ekaterina Petrovskaia, a crime reporter for the press center of the Main Directorate of Internal Affairs for Moscow Oblast, must deal with the consequences of this sensational discovery—because if the dark-winged goddess of the night, Tephida, isn’t stopped right now, there won’t be anyone left to stop her…