Legend has it a dolphin once helped to reunite a pair of tragic lovers. From then on, the well-adored animal became the guardian of love. At Dolphin Bay, a tale of love and myth continues.

Hsu-Chuan, who works at a game company, accidentally brings home a broken clay doll from a haunted house while developing a new horror VR game. Unexpectedly, his pregnant wife, Mu-Hua, a cultural relic restorer, develops an obsession with the doll and relentlessly tries to repair it. As strange things begin to happen in the house, Mu-Hua's condition deteriorates, and Hsu-Chuan, at his wits' end, seeks help from a spiritual medium, Ah-Sheng. Meanwhile, the horrifying secret hidden behind the clay doll begins to surface.