Max is ready to solve another case! The entire theatre company have travelled to Lord Fawley's castle to put on a show for his daughter's Halloween birthday ball! Rehearsals start well, but soon some ghostly goings-on and talk of a family curse have the actors in a panic. Never fear - Max the detective cat is on the case, and his whiskers are prickling with suspicion that these strange events have more to do with jewels than ghouls.