In an ancient and mysterious seaside town, there is a legend about a "ghost ship". Every 50 years, the ghost ship will return to the town, taking away some people and leaving endless mysteries. People in the small town live peacefully, but a series of bizarre events have occurred recently, including the disappearance and death of residents, as well as the appearance of some mysterious symbols.
Lin Yue is the administrator of a small town library. Her family has a long history in the town. Her ancestors were once the guardians of the town, but the family was almost wiped out in a disaster, leaving her alone. While working in the library, Lin Yue accidentally discovered some ancient documents about "ghost ships" that seemed to hint at an impending disaster. Lin Yue decided to investigate in depth, but her actions caused dissatisfaction among some people in the town.
Su Yao is a mysterious outsider who claims to be a historian. She came to the town to study the town's history, but her true identity is a private detective who came to the town to investigate an unsolved case related to her past. Su Yao and Lin Yue met in the library and offered to help Lin Yue investigate.
The two began to cooperate and discovered some strange clues. As the investigation deepened, Lin Yue and Su Yao found themselves involved in a larger conspiracy...
After the truth came to light, the relationship between Lin Yue and Su Yao also changed. After they experienced life and death moments together, they developed deep feelings for each other. The two decided to continue working together to break the curse and protect the safety of the town.
Purpose: Protection and love