The Mannequin follows Liana Rojas (Gomez), a creatively starved stylist assistant who discovers the historical downtown Los Angeles building where her sister mysteriously died is haunted by a serial killer who brutally murdered and dismembered his victims there half a century earlier. This forces Liana and her friends to find a way to free themselves and escape the sinister ghost before they lose their own body parts.
玛雅在一场暴力袭击事件中幸存了下来，但她还要面临着蒙面杀手的无情追捕。而在这部三部曲的第二部中，当她在为生存而战时，她揭开了蒙面杀手背后的可怕谜团。
在女儿青兰频繁发作邪病、不断重复诡异儿歌的困扰下，风水师豪哥(曹卫宇 饰)与码头工人阿坤、记者大伟一同踏上了前往青石镇的探险之旅。在这个风水布局精巧、却气氛诡异的小镇上，他们不仅发现了青兰的姐姐红莲的命运，还揭开了镇上隐藏的惊天秘密。
