Seven years ago, Lin Jinse gave up the opportunity to study abroad for Gu Huaijin and was willing to stay in the small town and be the shadow behind him. Seven years later, Gu Huaijin became successful and famous, but beside him was his well-matched fiancée. When all his efforts were regarded as a joke, Lin Jinse chose to turn around and leave. But when she actually disappeared into the sea of people, Gu Huaijin discovered that the person he thought would never leave had already become an indispensable light in his life. This is a story about loss and growth. The heroine rediscovers herself after experiencing the pain of betrayal, and finally understands that she must learn to love herself before loving others.