A journey by Intercity into the world of the supernatural. Do you believe in ghosts? Helen McCormick does. She found an ancient crucifix in her cellar - and then saw a medieval monk walk past her kitchen window. Ambulanceman Ken Lobley rescued his aunt after a warning from an apparition. Nichola Thompson, aged 13, was reading, looked up, and saw her grandmother - wearing the pink shroud she'd been buried in two years earlier. Rev Jack Richardson investigates spooky Harnham Hall in Northumberland. He blesses the earthly remains of Kate Babington, who died a prisoner at Harnham in 1670. Eddie Burks, a 'clairsentient', is summoned to an RAF base to contact the ghost of an airman. Eerily, he describes how the man died and why he returns. And four nurses spend the night in 'the most haunted house in Britain' - with strange tales to tell the following morning....