Q Series: 1000 Walls in Dream (2017)

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While most ghosts go about their day as if they live on a parallel world divided from the living by a thousand walls, some are bend on avenging past transgression by haunting the living. When one ghost determines to cross the divide, it ends up affecting every aspect of Xu Xiao Qing's stressed out life. However, it's yet to be determined whether its intention is malevolent or benevolent.