Helen, Alan and Graham are told they are impaired and need fixing. Connected through a shared past, they are transported to one pivotal moment in 1880 when a dangerous ideology was born: one that would impair the way the world views Deaf people for over a century. Extraordinary Wall is a bilingual performance in English and BSL where Ad Infinitum combine the company’s signature style of physical storytelling with the beauty of British Sign Language in an unmissable feast for the senses.