August 1st in Zurich. An unbearably hot day. While many are celebrating the Swiss national holiday, five individual fates take their course: 1. As a symbol against capitalism in Switzerland, Vinc is planning an attack in the city centre. 2. Tibetan descendent Sonam is struggling to settle into her new job as a police officer – worse still, she makes a major mistake during her first operation. 3. Hunter Edi’s status quo is unbalanced when a financial predicament puts his morals to the test. 4. Young Ukrainian Sonja arrives in Zurich full of hope to surprise the love of her life – but she is in for an even bigger surprise. 5. Chilean Javier no longer feels at home in Switzerland and decides to return – with his daughter, but without her mother’s knowledge – to his motherland.

戴维和杰西的爱情正值考验期，此时杰西意外怀孕。即将成为父亲使戴维无比恐慌，一次在火车上偶遇攻击，戴维无法保护他的女朋友，他所害怕的自己不足够的男人想法证实了。绝望中，他开始注射类固醇。戴维越来越激进，对于他的女朋友以及即将出生的孩子，这才是真正的威胁。

影片设定在当下的柏林，女主角温蒂妮是一名城市发展局的顾问。她的现任男友忽然提出分手，此时一个古老的诅咒似乎正要应验。中世纪的传说里，温蒂妮是水中的精灵，倘若与她们结合的男人背叛了她们，她们就会杀死男人并回归水中。电影的女主角想要抵抗这一诅咒，故而离开了柏林。此时她结识了克里斯多弗，一名在德国西部水库区工作的工业潜水员。两人相爱。不久后克里斯多弗察觉到，温蒂妮似乎在逃离什么，感觉受到了背叛...
《温蒂妮》是导演佩措尔德计划的“元素精灵三部曲”的第一部。接下来的两部将分别涉及气精灵西尔芙和地精灵诺姆。