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.

酷客影院提供了真相背后在线观看，并且还可以支持手机免费看真相背后，不需要下载播放器，方便广大影迷。