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。如果您喜欢zh-sport.com（珠海影视）分享的《真相背后2021》,别忘了推荐给你的朋友！