Beian identified with Jiang Chenlin in his senior year of high school, and so did Jiang Chenlin, even though they were separated.
After graduating from college, Beian was recruited by the police to work as an undercover agent, and Jiang Chenlin was also recruited in different places.
Jiang Chenlin's identity was exposed and injured in another mission. At the end of his death, he only looked at Beian in the distance and said: "Next time, next time I will love you well!"
He had to leave in order not to reveal his identity and be discovered.
Jiang Chenlin, who was taken away by the police, worked as the captain of the investigation agency in another police station.
Purpose: school love