A chilling laugh echoes through Britain's oldest static circus building, instantly setting the tone for a thrilling performance. The audience at the majestic Hippodrome in Great Yarmouth, Norfolk , reacts with hisses and boos as Mr Mullins, the wicked fairground owner, reveals his dastardly plans to ensnare local heroes Jack Jay and Johnny Mac. The Hippodrome stands as the nation's last venue built solely for circus performances, its historic walls animated by the exuberance of its performers.