Ivy Calhoun's life has been turned upside down. Her new stepdad has uprooted Ivy and her mom, bringing them to live in an actual castle in the misty Scottish countryside. There are stone-faced servants and shadowy corridors, and the ancient walls seem full of secrets. Ivy is at once frightened and intrigued. Especially when she meets Logan, a gorgeous, elusive ghost who has haunted the castle grounds for decades. Ivy is immediately drawn to him . . . but Logan is not the only spirit around. Something dark and deadly is afoot, and soon Ivy finds herself in mortal danger.