Nothing fantastic: in St. Petersburg there is a gang of vampires - or doctors who want to be mistaken for vampires. The Medical Investigation Department, with which Agnia Smolskaya collaborates, takes on the case of contamination of donor blood, successfully disguised as the pranks of fans of Count Dracula. But don’t they, experienced doctors, know that a relationship with a donor is always more than just chemistry, and always more serious than playing vampires. With someone else’s blood it’s like in love: invisible currents, phobias and attachments, sins and passions are transmitted here... Previously, the book was published under the title “Foreign Body”