"Arwen Valondale never expected to be the brave one, offering her life to save her brother's. Now she's been taken prisoner by the most dangerous kingdom on the continent, and made to use her rare magical abilities to heal the soldiers of the vicious Onyx King. Arwen knows better than to face the ancient, wicked woods that surround the castle on her own, which means working with a fellow prisoner might be her only path to freedom. Unfortunately, he's as infuriating as he is cunning--and seems to take twisted pleasure in playing on Arwen's deepest fears"--