Synopsis：The cold and handsome M-country agent Chen Kailun encounters Li Mengli, a university student working part-time to support her studies, by chance at a painting stall during a covert operation. Chen Kailun initially plans to use the stall as cover while waiting for a suspect to be apprehended, but a minor dispute between the two leads to the suspect's escape. Believing the mission has failed, Chen Kailun unexpectedly spots the suspect's figure in one of Li Mengli's paintings. The next day, Chen Kailun arrives at Li Mengli's university campus, where birds sing, flowers bloom, and trees cast their shade. After a search, he finds Li Mengli and seeks her help, but they face a conflict of identities: Chen Kailun cannot reveal his true identity, while Li Mengli suspects he is a criminal. The two join forces to pursue the suspect, but their misunderstandings only deepen. As the suspect's identity becomes clearer, Li Mengli is shocked to discover that he is her benefactor...