19-year-old Moritz and Hannes have been best friends ever since they were kids. Everything changes the day Hannes is the victim of a motorcycle accident and falls into a coma. Moritz is convinced that his friend will wake up soon.
海蒂（阿努克·斯戴芬 Anuk Steffen 饰）很小就失去了父母，无依无靠伶仃飘零，所幸得到了姨妈的收留，然而，这照顾却不能够持久，最终，海蒂来到了阿尔卑斯山，投奔住在那里的爷爷（布鲁诺·甘茨 Bruno Ganz 饰）。在村民们眼中，爷爷是个倔强而又古怪的老头，对 其敬而远之，然而海蒂那双天真无邪的眼睛发现了爷爷深藏在内心的柔情，一老一少…
