A gripping, fast-paced and gorgeously written literary romance with unforgettable characters, Cauchemar tells the story of 20-year-old Hannah, who finds herself living alone by a Louisianan swamp after her adopted mother dies. Hannah soon falls in love with Callum, an easy-going boat captain and musician. But after her mysterious birth mother - outcast as a witch and rumoured to commune with the dead - comes back into Hannah's life, she must confront what she's been hiding from: the deadly spirits that haunt the swamp, the dark secrets of her past and her nascent gift.