Lu Hongsheng is a secret anti-narcotics policeman in Jiangzhou City. He was sent by his superiors to sneak into the drug lord's lair and work as an undercover agent to wipe out the criminal gangs in Xiuzhuang. To protect Shi Nian, he gave up his relationship for five years. After having a relationship with her, he was helpless and reluctant to leave. However, it rained all night and Shi Nian was pregnant. She had been looking for him for four years. Until that encounter, she recognized him, but he pretended not to know him. They escaped from the hands of drug lords and narrowly escaped death. In the end, they finally wiped out the criminal gang at the cost of one life. They were separated by Yin and Yang, and they would never see each other again in this life.
However, everyone knows that Lu Hongsheng only loves Shi Nian
