We assume all events are caused by something. Yet we happily refer to random chance be it a freak accident, or the state of quantum particles. Might causality be a fiction and inexplicable events written into the character of the universe, or with greater understanding could we find an explanation for everything?

Templeton prize winning cosmologist George Ellis, Imperial College string theorist Michael Duff and American philosopher of physics Nancy Cartwright confront unexplained events and untangle cause and effect.