A-Zhen (Maggie Shiu), who works as a waitress in a bar, has a family of three that is poor but stable. However, after experiencing an unbearable atrocity, A-Zhen accidentally became pregnant. A-Zhen planned to have an abortion on her own, but it backfired and the family also experienced a serious car accident. Over the years, A-Zhen's family life has returned to normal, but her husband A-Ming (Kenny Wong), who has a grudge, has never had a good impression of her daughter Lucy (Joey Leung), who once brought bloodshed to the family. Seeing Lucy's birthday, A-Zhen bought a puppy as a gift for her daughter. That night, the puppy suddenly ran out of the room and dug out a strange and weird jar in the wild. Lucy opened the jar without knowing what was good for her, but she was often disturbed by terrible hallucinations and strange events afterwards. The terrible events intensified, and the peaceful life was completely pushed into the abyss...