Synopsis: Zhang Dayuan and Mia are two people each carrying their own emotional burdens. They embark on a remarkable journey to return an old book and a letter. Along the way, Mia, who is at the crossroads of competing at the Winter Olympics, and Zhang Dayuan, a taxi driver who is haunted by past pain, accompany and influence each other. Through this experience, both of them resolve their inner conflicts and make new life choices.
