On the eve of the premiere of Swan Lake, ballet dancer Xia Xuan (Vivian Hsu) is forced to withdraw from the troupe after spraining her ankle. Losing all hope, the dejected dancer strays into the forest by the lakeside. Just when she is about to attempt suicide, a young truck driver named Ludi (Yo Yang) pops out in front of her. Full of fanciful ideas, Ludi mistakes Xia Xuan for an alien and brings her home, taking care of her and rekindling her passion in life.