The story follows the lives of two twins, Nellie and Lucy Stanford, as they are uprooted and forced to move away from their hometown to Whisper Town. As residents of the strange town, the twins come across suspicious incidents that force them to accept the fact that not everything is as it seems to be in Whisper Town. Teamed up with unlikely allies, Lucy and Nellie soon discover a prophecy to banish the evil that haunts Whisper Town and realize that to complete their mission, they'll need one thing they're not ready to offer-a sacrifice.