剧情介绍
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》的单集片长125分钟，共有1930人给本片的评分为8.4，整体还不错，看过《真相背后2021》的网友给它打上的标签是恐怖。