After Li Xinran, who suffers from depression, fails to kill herself by taking pills, she decides to give her life for her country and become a police detective willing to risk everything to fight crime. During an investigation, she meets Xie Mingxin.
The two hit it off immediately. Li Xinran embraces Xie Mingxin’s interests and hobbies, while Xie Mingxin heals her deepest wounds.