Finding himself in the wrong place at the wrong time, freelance programmer Grisha Volkov becomes a vampire. Now he has to look for answers to many questions: will he become human again or will it be forever? What to do with carnivore syndrome and how can garlic and silver be useful? Is it a coincidence that Moscow vampire hunters want to hire him? Why are they creating a new virus, and with it a vaccine? Who is the mysterious Casper, whom everyone is afraid of, and why does he write letters to him? What to do if you fell in love at the wrong time and with the wrong person? And, after all, is there anything tastier than pomegranate juice?