In 1925 England, a seemingly harmless prank at a lavish country house party turns deadly when a young guest is found murdered, pulling witty aristocrat Lady Eileen "Bundle" Brent into a web of secrets, a mysterious secret society, and international intrigue. As Bundle investigates with help from her family and Superintendent Battle, she uncovers a chilling conspiracy involving stolen secrets and hidden motives. This stylish period whodunit blends sharp dialogue, suspense, and twists for a modern take on Christies light-hearted thriller.