A young woman abruptly moves into an elderly lady's house. Strange things start to happen and soon it becomes clear witchcraft is involved.

Follows the staff and patients of a Yorkshire cottage hospital in the 60s, embroiled in tangled love lives and bitter power struggles.

Instead of spending her golden years lying down, the indomitable Hetty Wainthropp found her calling late in life. Combining common sense, her husband, and her pocketbook, this senior sleuth takes on all the cases the police deem too minor.