Sergei’s happiness, a young man in his early twenties, was cut short in an instant. His pregnant fiancée dies literally in his arms. In despair, Sergei asks Satan himself for help. But the enemy of mankind is cunning: he offers Sergei not just a deal, but participation in a certain game. If Sergei wins, he gets his beloved back. If he loses, they will both remain in the Underworld. Satan concealed only one detail from Sergei: the Underworld is modern! Instead of cauldrons and frying pans—an array of servers for a popular online game; instead of devils—mobs; instead of eternal torment—quests. Sergei falls asleep in a cryogenic capsule and wakes up in a world called Kara, under the nickname Golovolom, with the status of… an infant, who literally grows by the hour…