A generation of children are born without speech, without comprehension, without language entirely. At first, they are just medical curiosities. But their numbers swell, and soon they grow into an established underclass, occupying squats and communes around the world. To some they are seen as a threat; to others, as a salvation. Some suspect they may have other abilities beyond our understanding. The children cannot tell you their story. Instead we rely on The Silent History, a collection of testimonies from those touched by the phenomenon. Parents, doctors, opportunist inventors, cult leaders, and vigilantes, recall what they have endured and what they have inflicted on others. They will take you from a recognisable present to a real and unsettling future. You will not want to look away.