在曼谷偏远的山区森林裡，有许多名人被邀请参加派对，一台旧型的卡拉OK机被摆放在最显眼的角落。现场有人手痒插上插头准备开唱，却赫然出现一位穿著校服的年轻女鬼（吉娜戴素萨 饰），手持斧头狂杀现场来宾。侥倖没死的来宾也在她控制下要求唱歌，只要走音或忘词就杀无赦！...

The story begins with the three thugs robbing the car. They expected money, but found the dead body instead. They have to investigate who was the real killer while the police are chasing them....