Zhao Lingjing and Xiao Han were childhood sweethearts. They both loved music and played together all the time. In this way, two people with completely different personalities came together. They were in the same class until they graduated from junior high school. Due to Xiao Han's sudden departure, Zhao Ling misunderstood her. They had been separated for three years. What kind of encounter would it be like when the two met again? Why did Xiao Han leave suddenly without saying goodbye? Will the misunderstanding between them be resolved?
Xiao Han is relatively withdrawn and introverted, and is not good at communicating with others. She likes music very much. Apart from music, the most important thing is her childhood friend Zhao Lingjing. When her parents see her being so introverted, they are also worried about her. Every time she plays with peers who introduce her colleagues, she ends up playing guitar by herself. Her parents see that her only friend is Zhao Lingjing, and they are still full of worry.
Zhao Lingjing is very cheerful and lively, and is good at communicating with others. Every time she sees Xiao Han silently playing music alone, she likes to tease her, and she will not blame her, and she also cherishes this childhood sweetheart.