Late-night takeaway rider Su Chen accepted a mysterious order from No. 44 Liuyin Lane in the west of the city for a high delivery fee. There were rumors that something had happened to this haunted house, which was marked "Beware of Orders", and many people warned it. When he arrived in the rain, he found that the door was closed and customer phone lines were blocked, but the threshold was extremely clean. When he was about to open the door to explore, the story stopped abruptly - what was hidden behind that wooden door with peeling paint?