Whentheirmotherishospitalizedinacaraccident,PimandPuttsuddenlydiscoverthattheyhaveasetofgrandparentstheyveneverknownabout.Butaterrifyingtruthhaslongbeenhiddenwithinthewallsoftheirgrandparents’house,atruththatgraduallyrevealsitselftoPimandPuttthroughamysticalhole,unleashinghair-raisinghorrorontheirfamily.
