In Monterey County there is a maniac-killer . His business card is a grave cross by the road, the date of the assassination is indicated on the cross. The killer knows everything about his victims, or rather, everything that they had the imprudence to share on the Internet. Indeed, for some, the synthetic world replaces reality and sometimes injures no less. So, blogging can become not only a part of life, but also a cause of death? Catherine Dance, a police psychologist, a specialist in kinesics - body language, and detective Michael O'Neill . are trying to find out The main suspect is a seventeen-year-old gamer, an avid participant in online role-playing games and an object of network harassment. Perhaps he is driven by revenge? But as soon as the police get to him, he disappears. Escape proves his guilt? Is he hiding — or is he hiding?..