Sergei Lisichenko, nicknamed the Fox, an operative at the Institute of Experimental History, is in anguish and confusion: his partner and friend Valdar Kamdil is not nearby, the future seems foggy and bleak. And then the management, contrary to Fox’s wishes, sends him as an instructor to the institute’s Test Site in the role of mentor to three trainees, one of whom, as it turns out, is “one.” “The times are wild, the morals are vile, the centuries are dark,” Mr. Instructor is in a hurry to please the trainees. But the curriculum for the first time is simple: find out the peculiarities of dragon reproduction, avoid being eaten by a harpy, kidnap the rightful heir to the throne from under the villain’s nose, defend the city during an assault and learn the first two rules of a noble robber...