From a fragile silk robe and a wartime wall painting to a writer's handmade timepiece, the hidden treasures in these two houses reveal the stories of two of Britain's most celebrated authors – and the expert teams racing to preserve them.

From scandalous society portraits to glittering royal furniture and the restoration of lost landscapes, this episode reveals how the legacy of the Grand Tour continues to shape Britain's great houses – and the work being done today to protect their remarkable stories for the future.

From a windswept island chapel battered by the North Sea to a quiet Welsh farmhouse that shaped the future of a language, this episode travels to two remote National Trust sites whose powerful stories have inspired centuries of pilgrims, revealing the delicate conservation work protecting their remarkable stories.