Sam, whose grandfather is a master of traditional Chinese painting and grandmother a Chinese opera diva, is a talented and self-assertive graduate student of music. To apply for “The International Residential Artist Project,” Sam decides to compose a kind of music combining traditional Beijing Opera and electronic music. One day, he receives a phone call from his grandfather to notify him that his beloved grandmother has passed away due to cancer. Considering that his grandfather is suffering from ophthalmic illness, Sam decides to return to his hometown urgently to keep his heartbroken grandfather company. Before her death, the Grandmother actually leaves a letter for Sam to remind Sam of taking care of the Grandfather. However, the letter is wrongly delivered to a stranger, Zhang Miao-hsiang, an actress of a Beijing opera troupe. Touched by the unconditional love disclosed in the letter, Miao-hsiang decides to secretly look after the Grandfather on behalf of the deceased Grandmother. By accident, the poor eyesighted Grandfather misrecognizes her as young Grandmother. At the same time, Sam meets Miao-hsiang and falls in love with her. A beautiful story intertwined with young love and immortal love thus unfolds.