Shadow in the Mirror of the Old Building: the Twelfth Door

In an old abandoned building, there is an unknown secret hidden behind the twelfth door. Every midnight, a stranger's figure is always reflected in the mirror. When reporter Lin Yu was investigating a disappearance case, he accidentally broke into this old building and fell into an inescapable cycle of terror. As the truth is gradually revealed, she discovers that she is inextricably linked to the past of this old building...