When their mother is hospitalized in a car accident, Pim and Putt suddenly discover that they have a set of grandparents they've never known about

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校花乔伊是学校里风云人物，长相甜美又是演艺圈的新星。某日却在脸书留下“我想死”的讯息，她的男友阿信为了安抚她，提议到海边渡假，并邀请乔伊好姐妹小敏与自己死党阿敢一同前往，没想到途中乔伊竟暴毙死亡。尽情狂欢的海边渡假夜一夕间在乔伊的惨死下全变了样，受到惊吓的叁人为了逃避责任，决定弃尸掩盖这个骇人悲剧。