Leah,10,livesinalargevicarage,fulloflostsoulsandtheneedy.Inthedaythehouseisbustlingwithpeople;atnightitisdark,empty,aspaceforLeah'snightmarestocreepinto.Asmall,nightlyvisitorbringsLeahcomfort,butsoonshewillrealisethatherlittlevisitoroffersknowledgethatmightbevery,verydangerous.