The masque of a murderer

In 1667 London, Lucy Campion, a former ladies' maid now apprenticed to a printer, finds herself embroiled in a perplexing murder. Accompanied by the magistrate's daughter, Sarah, she records the dying words of an injured Quaker man, which sets her on a path to uncover a killer. As winter grips the city, Lucy must navigate a world of secrets and danger to solve the crime.