Dylan Dog has to accomplish perhaps the strangest, most illogical and surreal case of his career.
While a devastating economic crisis plagues the entire world, a strange coincidence will lead the "nightmare investigator" to Bellumbattone, a small village in the British countryside, where he will get involved in a game of death and... mathematics.
A witty remark by Groucho about the economic crisis and what causes it...

In the fourth part of Dampyr, Harlan will travel with Kurjak and Tesla to Moscow, where they will confront Grigor Vurdalak, a Lord of the Night who has also become a mythical figure for the men of the Kombinatsiya, as no other family of the Russian mafia can face him and his nocturnal children.
Harlan step by step discovers his powers, as well as his weaknesses...