在这部爱的艺术剧情/悬疑片中,故事发生于20世纪的德国，在一片茂密的森林里，隐藏着一所不为人知的神秘学校。在学校里，生活着一群年轻的女孩们，没有人知道她们是从哪里来的，就连她们自己也不太清楚。所有人仿佛一生下来就已经身在这闭塞的高墙之内，完全不知道外面还有着更广阔的的世界。
海达拉（玛丽·奈姬 Mary Nighy 饰）、埃伦娜（汉娜·泰勒-高登 Hannah Taylor-Gordon 饰）、薇拉（娜塔丽·特纳 Natalia Tena 饰）和雷恩（安雅·拉希里 Anya Lahiri 饰）均是这所学校里的学生，当她们开始质疑起她们的生活和过去时，原本维系着学校内事务正常运作的条条框框都开始失去功能，两个女生的神秘失踪更是为此增添了不安定的因素。
"Laughing Water - Mine Ha-Ha" is based on "Mine-Haha or Physical Education of Young Girls" by German author Frank Wedekind (Spring Awakening, Lulu, Pandora's Vase). Thuringia, Germany, in the early 20th century. A group of young girls are brought up in a college withinh dark forests and gloomy lakes. Young Hidalla and her friends Irene, Vera, Blanka, Melusine and Rain are brought up in an isolated world: the girls don't know anything about live outside the college's high walls. At the age of 16, some of them start asking questions about their origins, their parents and the true purposes of the Headmistresses strict rules. When two of them disappear mysteriously, the initial fairytale atmosphere grows more and more eerie. Will the inspector from the nearby city discover the real purpose of the college? Will Hidalla be successful in her revolt against the destiny assigned to her by the Headmistress?
