Musical theatre is the thread that runs through this novel in which a serial murderer outwits the Special Brigade of the Central Madrid precinct. A veteran inspector returns to the brigade with the express aim of trying to put a stop to the crime wave in the capital's theatres. To do this, he has to stir up his own past, in which lies the key to the identity of the murderer. A detective novel that goes far beyond intrigue and suspense. A profound analysis of the our ability to change the script of our own lives, as if they wee plays.