青年建筑师Ray（方中信 饰）带妻子May（舒淇 饰）及5岁儿子子路(谭竣浩 饰)搬进新家的翌日傍晚，就有怪事发生，May带着子路在天台花园玩耍时，看到子路被强大力量离奇扯出天台，坠楼失踪。接着，May又频频听到小孩寻找母亲的哭叫声，更恐怖的，是家中无论子路的玩具还是衣衫都先后离奇失踪。 在警察的帮助下，Ray和May知晓导演这一切的，是躲藏在他们背后的神秘“怪物”（林嘉欣 饰）。而在与“怪物”争夺儿子的过程中，Ray和May渐渐了解到，神秘“怪物”在丑陋可怖的外表下掩藏着一个不为人知的辛酸故事。

年轻的安迪是出身贫民区的女孩，在中学里并不受人欢迎。她经常同爱欧娜和达奇在一起，达奇迷恋安迪已久，但最近安迪结识了新生布雷恩，布雷恩的家境优越，对安迪构成了不小的诱惑……

腼腆害羞的16岁少女露比·吉尔曼（拉娜·康多 配音）很想融入海岸高中的生活，但是她却总是觉得其他同学都把她当成隐形人视而不见。她正在替她暗恋的滑板少年（雅布其·杨-怀特 配音）补习数学，但是他似乎只是佩服她的功课很好，而且她那护女心切的虎妈（托妮·科莱特 配音）不但禁止她和学校的酷同学一起去海滩玩，甚至还严格规定她永远都不准下水游泳。但是当她违反了她妈妈的头号禁忌，露比发现自己是海妖女王战士的直系后代，而且天生注定就要继承她霸气十足的外婆（简·芳达 配音），也就是七海女王战士的王位。海妖一族发誓要捍卫这个世界和所有的海洋，而且从古到今都一直在对抗虚荣浮夸、渴望权力的美人鱼一族。但是露比却遇到一个既严重又迫切的问题：学校新来的转学生切尔西（安妮·墨菲 配音）不但长得漂亮又受欢迎，又刚好是一只美人鱼。如果露比想要保护她最爱的人，就必须勇敢接受她真正的身份，茁壮成长。

Special FeaturesAudio Commentaries on Each FilmAll-New Three-Part Documentary, Sleepless Nights: Revisiting The Slumber Party MassacresPhoto and Poster Still GalleryTheatrical TrailersEditorial ReviewsAll Three Films In One Collection With New Bonus FeaturesWhen Trish (Michelle Michaels) decides to invite her high school girls basketball teammates over for a slumber party, she has no idea the night will be ruined by an escaped mental patient with a portable drill in the cult classic The Slumber Party Massacre.The only sane survivor of the first incident, Courtney (Crystal Bernard), dreams of the driller killer returning in the first sequel, Slumber Party Massacre II. She cannot help shake the feeling that she and her friends will be viciously tormented by the killer. Her nightmare becomes reality when the killer returns, reincarnated as an evil rocker with a deadly guitar.After a relaxing day at the beach, a group of teens decide to have a slumber party. Their boyfriends predictably show up to scare them, but there is something much scarier lurking in the shadows as the group starts getting attacked by an unknown killer in the second, and last, installment, Slumber Party Massacre III.