In the aftermath of the First World War, a young woman is swept into a glittering world of illicit magic, romance, blood debts, and murder.

On Crow Island, real magic lurks just below the surface, but Annie Mason never expected her enigmatic new neighbour to be a witch. When she witnesses a confrontation between her best friend Bea and the infamous Emmeline Delacroix at one of Emmeline's parties, Annie is drawn into a glittering, haunted world where magic can buy what money cannot and the consequence of a forbidden blood bargain might be death.