When their mother is hospitalized in a car accident, Pim and Putt suddenly discover that they have a set of grandparents they've never known about. But a terrifying truth has long been hidden within the walls of their gr…

Whentheirmotherishospitalizedinacaraccident,PimandPuttsuddenlydiscoverthattheyhaveasetofgrandparentstheyveneverknownabout.Butaterrifyingtruthhaslongbeenhiddenwithinthewallsoftheirgrandparents’house,atruththatgraduallyrev…