An ordinary student Andrei Chizhik, entangled in debts to small bandits and unfinished sessions, found himself in a parallel world - a state whose development, due to the adoption of a strange religion, froze at the level of Ancient Rus'. Chizhik’s only hope of returning home is to find the mysterious Laznyaks, people who, at the risk of their lives, travel between worlds and smuggle the bizarre goods obtained there. However, this will not be so easy. During the search, Chizhik had the opportunity to be a boyar slave and fight with steppe inhabitants in the ranks of border knights, fight with robbers and hide from the soldiers of the Robust Order...