This mystery story revolves around Elizabeth Featherstonhaugh. Elizabeth possesses a fertile imagination and believes she hears noises coming from the house at No. 11 India Crescent. The house had been barred, locked, and shuttered for over eleven years. Occasionally she hears the sound of tapping, creaking, and rumbling from the empty house. Now the house is set to be opened, and Elizabeth believes it is time to switch on her bedroom light.