The text starts with a mysterious whisper. "Te dije que se irían, Tad, le susurró. Siempre lo hacen al final. Y entonces yo puedo volver. Me gusta volver. Tú me gustas, Tad. Ahora volveré todas las noches, creo, y todas las noches me acercaré un poco más a tu cama... y un poco más... hasta que una noche, antes de que puedas llamarles a gritos, oirás algo rugiendo, algo rugiendo justo a tu lado, Tad, y seré yo y me abalanzaré sobre ti y entonces te comeré y estarás en mí." This sets a creepy tone. Then it poses the question, "Alguien me puede decir ¿qué era lo que había en el armario de Tad? En serio, alguien… ¡Díganme!"
It then goes on to talk about the main story. "Cujo" is a beloved Saint Bernard dog, similar to Beethoven. But something terrible happens. Due to an illness, all the kindness and love it once had turns into hatred and a killing frenzy. The first part of the book is rather puzzling as it focuses more on family cases and soap opera-like scenarios rather than the dog. There are descriptions of a woman being beaten by her husband, another cheating on her husband, a man losing his job, someone winning the lottery, and another man not caring about anything.
The reader almost considers putting the book down but then realizes it's a strategy by King. It makes the reader understand how the "ley de Muphy" comes into play and how everything that can go wrong will go wrong, leading the characters to a catastrophic and insurmountable situation of facing a rabid, hairy beast weighing over 100 kilos. Finally, it comes back to the important question, "ALGUIEN ME PUEDE DECIR ¿QUÉ ERA LO QUE HABÍA EN EL ARMARIO DE TAD? ¿SALE EN ALGÚN OTRO LIBRO DE KING? EN SERIO, ALGUIEN… ¡YA DÍGANME!" along with more creepy whispers like "Soy el monstruo, Tad, el viejo monstruo, y muy pronto me apoderaré de ti, Tad. Mira cómo me estoy acercando... y acercando...".
Old, good King. You know, King is always great for his fanatical fans (just like my boss), but here the master managed to write a powerful and thrilling story based on an extremely simple central idea: A huge Saint Bernard dog named Cujo is attacked by the rabies virus from an infected bat (what do you expect when you hunt rabbits and put your head in unknown holes, you dear hunter?). And gradually, it transforms from a friendly dog into an aggressive and deadly machine. What could be simpler, right? But we are talking about the master of horror, so this simple thing turns into something possible and exciting, with elements of social drama, thriller, and horror, and the finale is bloody and rather painful. And here King rambles a bit (I always love his rambling), gives depth to his characters - who are either sympathetic or not, but definitely well-developed - generally, I would say he offers quite a few of the goodies he has accustomed us to, except perhaps for the supernatural element: Yes, don't expect anything supernatural. It may not be to everyone's taste, it may be whatever, but I really liked it, even if I don't give it five stars (objectively, it doesn't deserve it). I had a good time, although I felt a bit sorry for Cujo... and not only.