Li Zhien met a woman, Li Lan, at the funeral of his brother Li Zhiyuan. It turned out that this woman was the victim who had the same kidnapping experience as his brother. Twenty years later, Li Zhiyuan could not escape the shadow of the case and decided to commit suicide. In order to understand his brother's heart, Li Zhien chose to get close to Li Lan. In the end, Li Lan told Li Zhien a secret that she and Li Zhiyuan guarded together...