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！

　　After being betrayed by his colleague, Mix, a talented young architect starts working in a new company. Soon after, a Christmas outing is organized, but he cannot go because he has not yet completed a work. Then, he meets Bell, an intern…