Rupee (Jamie Jamie Chung) is a toy designer who works in Hong Kong. One day, she meets a man named Josh (Brian Greenberg Bryan Greenberg). Josh is a financial worker, but with a dream of writing, under the leadership of Josh, the newly arrived rupee appreciates the unique beauty and elegant demeanor of Hong Kong. in the process, the distance between the two hearts is getting closer and closer, however, an accident led to the end of the relationship. After a round of spring, summer, autumn and winter, the rupee and Josh were reunited, when the rupee had settled in Hong Kong, and Josh resigned and embarked on a new journey of life. Under the romantic night, both Ruby and Josh relived the throbbing in their hearts, but at this time both of them had lovers who were in a relationship. Driven by reason and emotion, what kind of choices would they make?