White curls, big blue eyes and a modest smile. Erri is young, charming and... very dangerous. After all, she is a whiplash, she took the order and now must fulfill it. To get married fictitiously - what could be simpler? But there are bad rumors about who she agreed to call her husband, his gloomy castle is not very hospitable, and the dungeons are locked and keep some kind of secret. Who really is Erri's newly-made husband? What is he hiding deep underground? The dazzlingly beautiful and poisonous whip will have to unravel the secret of the cold Borderland, because her life is at stake.