Greta搬進了剛逝去的姑姑家中,開始和朋友們舉辦狂歡派對。而原本一群人將在豪宅裡度過此生最快樂的夏日時光,情況卻在姑姑珍貴的貓淹死於泳池後急轉直下...她們陷入了一場生死之戰。Greta moves into her recently deceased aunt's mansion and starts throwing wild parties with her friends; however, what looks to be the best summer of their lives turns into a fight for their lives after Beker, her aunt's prized cat, drowns in the home's pool.