Nick and Mandy are back on the trail of a long ago secret in this second cliffhanger of the Key Series. Nick's family inherits and old farmhouse in New Hampshire and they need to fix it up and sell it. Whispers in the dark, unexplained creaking and an odd discovery in an upstairs wall convince Nick the place is haunted. He asks his cousin Mandy to come visit. Along with Nick's little sister, Christianne, they are determined to figure out what's going...