Fang Zheng, whose parents are dead and has no relatives, has been undercover for three years and three years. In order to become a mature undercover agent, he can only hang out in major entertainment venues. However, he was caught several times by his high school classmate and now policewoman Zhao Lihua. They reunited after a long separation. The first love they had made an appointment with in high school met unexpectedly as an adult. Unexpectedly, it was in this way! Finally, Fang Zheng received an order from the criminal police captain Li Shan and went to approach Li Lan, the largest gloomy area in Yu City. Starting from Luo Yutang in Foot Washing City, he uncovered many fogs. Looking back suddenly, he was still the same boy as before.
