The drug lord "Flying Eagle" suddenly appeared in Linjiang City and used sophisticated design to escape the police's roundup. Young criminal investigation expert Lu Jiang was ordered to solve the case. The two major family enterprises in Linjiang, Pan and Xu, have always been at odds. Pan Yueyang is Lu Jiang's uncle and has always hoped that Lu Jiang and his adopted daughter Su Pan will get married. At the same time, Lu Jiang and Xu Jiayin, the daughter of another family group in the city, met by chance and developed feelings. In the end, Lu Jiang relied on his perseverance and wisdom to calmly analyze the case and gradually realized that Pan Yueyang was "Flying Eagle". With the joint efforts of Dai Zhiyong, deputy captain of the anti-drug team, Xu Jiayin and comrades of the anti-drug detachment, "Flying Eagle" was defeated, and Lu Jiang and Xu Jiayin finally came together. Dai Zhiyong finally found his long-lost sister and gained love. The whole city finally restored stability and peace.