A high-spirited teenager was abandoned by his girlfriend, but he did not remain depressed. Others' snubs and ridicules did not really defeat Lin Ling. He learned to endure during that period of pain, and with the help of his friends, he continued to grow. At the same time, I learned to let go of my past and face a life full of setbacks with strength. Later, through his own efforts, he was admitted to Fudan University in Shanghai and met a girl named Li Jingwan. She made Lin Ling become more optimistic. But the two unfortunately failed to get together in the end. After graduation, Lin Ling became a police officer and shouldered more responsibilities and missions. At the same time, he started a new life journey. During a mission, Lin Ling was seriously injured. While recuperating in the hospital, he fell in love at first sight with a girl named Song Xinyi, and the two successfully came together. Later, Lin Ling lurked alone in the criminal organization. He was no longer the Lin Ling, but the Lin Fanghan who endured humiliation and heavy burdens.