When their mother is hospitalized in a car acciden[展开]

　When their mother is hos italized in a car accident, Pim and Putt suddenly discover that they have a set of grand arents they've never known about. But a terrifying truth has long been hidden within the walls of their grand arents’ house, a truth that gradually reveals itself to Pim and Putt through a mystical hole, unleashing hair-raising horror on their family [收起]