Eric和Elin小时候父母都吸毒成瘾，他们度过了几个月如家人般的日子，本片就从两位成年之后的第一次见面展开。

18岁的乔安娜有注意缺陷多动障碍（ADHD），在她的脑海中，思绪就像旺季的游乐园一样旋转着。父亲患上抑郁症后，他的病假工资只能勉强支付房租，再也负担不起她的药物治疗。为了解决这个问题，乔安娜不得不在另辟蹊径攒钱，就在在一片混乱中，充满魅力、自信十足的奥黛丽出现了，为乔安娜已经复杂多变的生活又增添了一个“不稳定因素”。

Park manager Fiona is tasked with taking care of some former friends who won an exclusive private sneak preview of Halloween at Liseberg - a whole night, all alone in the empty park. But cotton candy, lovely rides and lots of laughter soon turn into something completely different, as they realize they are not alone in the park. And the night of dreams quickly turns into a true nightmare.