One day, an unusual and insidious creature arrives in London, capable of subjugating others to its will and changing its appearance. It begins to haunt the successful politician Paul Lessingham - a respected gentleman who has only one weakness: he is terrified of... bugs. But why, why does the mysterious avenger want to deal with Lessingham? And how is the fear of his victim connected with the journey to Egypt that Lessingham made many years ago?..