The literary debut of the married couple writing under a pseudonym Ларс Кеплер produced the stunning impression on readers, critics and publishers. First Swedish novel, with huge success sold abroad yet to the publication in Sweden, "Hypnotist put beginning of keen detective series about investigations of commissar of criminal police Йоны Линны.In the suburb of Stockholm in the locker room of sporting club found brutally kill man. Later in his house find out cut with monstrous cruelty wife and little daughter. Alike, a killer aimed to cut out all family, however the heavily injured son survived. Йона Линна knows that another family member - senior sister of boy survived. He understands: it is necessary to find a girl till it will do killer. Somewhat quicker to interrogate an only witness, Йона Линна contacts with a doctor by Eric By Maria by Barque and convinces him to hypnotize a boy. Only it is so possible to get description of criminal. Eric violates the old promise to give up engaging in a hypnosis. And the chainlet of unbelievable events begins inexorably to unwind.