Journalist Jon Ronson investigates the extraordinary story of Mary Turner Thompson, who experienced the worst internet date ever which lasted seven years and was to cause the total devastation of her life. Edinburgh-based Mary met and married a man who told her he was a CIA agent. Jon visits her in Scotland and hears the incredible twisting and turning love story of Will and Mary. Will carried a gun and had to dash off to Israel at a moment's notice; Mary was left holding the baby, never knowing when he would come back, and was unable to contact him. She even feared a terrorist attack on her home. But the most bizarre twist was still to come.