A Moment of Love (2013)

Ji Ya Qing goes on a business trip right before her wedding. She meets on her stay at the hotel a young man intent on the search of an old lady, having in his possession only letters his grandfather wrote before passing away. They go together on a journey in the country scenery of China, in the quest of the lady in the letters. This journey yet holds more for both of them, as they discover what love could mean and bring.

Unfortunately the movie A Moment of Love is not yet available on HBO Max.