Rose and Jiang Yu have been friends for many years, but they have very different personalities. Rose is passionate and casual, living in the moment; Jiang Yu is reserved and cautious, and always follows the plan when doing things. The two came to Europe to study together. Rose chose Paris, and Jiang Yu chose the German town of Kaiserslautern. After a year passed, Rose's exotic boyfriend urged her to return to China. She was fed up with her lonely life in Paris and decided to go back. Before leaving, she came to Kaiserslautern to say goodbye to Jiang Yu. Unexpectedly, during the time the two got along, Rose discovered that she had feelings for Jiang Yu that went beyond friendship.
