Psychologist Victor Jens, based on a thorough study of Shakespeare's plays, created a special system for training police agents. His students, who have undergone cruel and long training, become "baits" capable of exposing any intruder. Real bait knows: when it comes to pleasure, reason is silent, the hidden nooks of the soul are exposed, the subconscious comes to the surface and the criminal himself exposes himself. Experienced professional Diana Blanco, the best of the best, leads the case of the Observer - a serial killer who strangely manages to avoid all the traps set by the Spanish police. And this hunt for Diana is not just a job, she is ready to present the monster with an account - this time personally on her own... In the novel of the wonderful Spanish writer Jose Carlos Somoza, his interest in the structure of the human soul, in its amorphous dark component, and his love for literature, in particular for the colossal and mysterious figure Shakespeare. For the first time in Russian!