14 years ago, a girl fell to her death from the ferris wheel in an amusement park and the park's owner hanged himself from the wheel. the park has been closed down by the government since then. alan, a reporter, travels to the park out of curiosity and disappears after being pulled underground by an unseen force. alan's sister, yen, decides to enter the deserted park to search for her brother. yen's mother, a ghostbuster who captures spirits with a magic camera, tells yen that she knows alan is dead and asks yen not to find him. however, yen insists that alan is still alive and she goes to the park against her mother's will, bringing along six of her friends (ka-ho, dan, yy, ken, pinky and shan).