Documentary telling how the fabulously rich Scottish aristocrat, the 3rd Marquess of Bute, spent a Welsh fortune and left a dazzling architectural legacy in Scotland and Cardiff. John Patrick Crichton Stuart, the 3rd Marquess of Bute, was one of the richest men in the British Empire in the late 19th century. With an annual income in excess of £150,000 – around £15 million in contemporary currency – he pursued his passion for architecture with a vengeance. Narrated by Suzanne Packer, The Scot Who Spent a Welsh Fortune delves into the extraordinary world of Lord Bute and reveals what