Do you know how you’re supposed to fight demons and devils trying to break into our world from the very underworld? Don’t smile—thinking that this knowledge will never come in handy. And be glad you have a chance to acquire it, because if a former athlete—now a quiet alcoholic, Fedor Sinyakov—had been armed with these skills in advance when he went to rescue his son who ended up in the detention facility, it would have been much easier for him…
But the tireless Fyodor Andreevich, having quit drinking and remembered those long-forgotten skills of martial arts, together with young witch Daria and her stern brother, the battalion commander Daria, delivers a tangible blow to the plans of the rampaging unclean spirits—and the mysterious Forces behind them…