June 1812. Just weeks after her catastrophic coming-out ball, Lady Helen Wrexhall -- now disowned by her uncle -- is a full member of the demon-hunting Dark Days Club. Her mentor, Lord Carlston, has arranged for Helen and her maid, Darby, to spend the Summer Season in Bristol, where Helen can sharpen her Reclaimer powers. Then the long-term effects of Carlston's Reclaimer work takes hold and his sanity begins to slip. At the same time, Carlston's Dark Days Club colleague and nemesis will stop at nothing to bring Helen over to his side -- and the Duke of Selburn is determined to marry her. The stakes are ever higher for Helen, and her decision will truly change the world...