January 1925. Violet Carlyle is in the midst of wedding preparations somehow balancing her stepmother's snobbery with her own wants. Since Lady Eleanor arrived in London, Vi's beloved Jack has thrown himself into case after case. Out of sheer boredom, Violet accepts an invitation to attend the Piccadilly Ladies Club. When she makes some new friends at the club, Violet accepts an invitation for a party. She little expects to stumble over a body over an evening of cocktails and conversation. Together, Jack and Violet step into the investigation determined to discover why this woman was murdered and if anyone else is at risk.