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 grandparents’ house, a truth that gradually reveals itself to Pim and Putt through a mystical hole, unleashing hair-raising horror on their family.
![真相背后[2021]](https://pic1.zykpic.com/upload/vod/2022-08-12/16602882750.jpg)