As usual, the author navigates between anticipation and fantastic with great success. This time, it's string theory, one of the currently most advanced physics, which is used with its predictions bordering on mysticism. But José Carlos Somoza does not just work on the amazing aspects of this theory, it operates in the human consequences and the familiar vein of man playing God and who will pay the price for his ignorance. In summary, it is a well-crafted story that is also based on the theme of secret organizations that extensive research but which we know existed. The writing is fluid and the characters are searched, which makes this work be a rewarding and entertaining read.