Student Vlad mysteriously finds himself in an ancient labyrinth called the Ruins of Arch, where monsters swarm. On the very first day, fate brings him together with Boris, he has lived in the Ruins for a long time, he has knowledge about monsters, and fighting them is like going for bread. Boris decides to lead Vlad out of the wild corridors to the nearest city. Along the way, the young man is haunted by questions. How did he get here? What are Ruins? And most importantly, how to get back home? But task number one is to survive.