William Jackson Crawford is a man of science and a sceptic, but one night with everyone sitting around the circle, voices come to him - seemingly from beyond the veil - placing doubt in his heart and a seed of obsession in his mind.

Could the spirits truly be communicating with him or is this one of Kathleen's parlour tricks gone too far?Based on the true story of Professor William Jackson Crawford and famed medium Kathleen Goligher, and with a cast of characters including Sir Arthur Conan Doyle and Harry Houdini, The Spirit Engineer conjures a haunted, twisted tale of power, paranoia and one ultimate, inescapable truth...