The Avenger was written in the year 1926 by Edgar Wallace. This book is one of the most popular novels of Edgar Wallace, and has been translated into several other languages around the world. Francis Elmer has vanished, and all that is found is a typed note signed 'The Head Hunter'. Elmer's niece Adele Leamington is an extra at the Knebworth Film Corporation. The actress Stella Mendoza keeps the whole set waiting to shoot, in the best Hollywood tradition, but her starring role is given to Adele. Surprised by Mike Brixan as she is learning her lines, Adele drops the typed script. The 'v' letters are blurred and the 'g' is indistinct.