Qin Qing is the son of mainland drug lord Qin Yan. He fell in love at first sight with his brother-in-law Nan Fang on New Year's Eve. Nan Fang's younger brother was once an investigator of the anti-narcotics team.
Unfortunately, he died in a mission when Nan Fang was imprisoned for drug trafficking. In order to avenge his brother, Nan Fang accepted Captain Liu's arrangement and sneaked into the Qin family as an undercover agent to collect criminal information. During this period, Qin Qing's overtures to Nan Fang were rejected many times, and under the instigation of her friends, she designed Nan Fang to take drugs. In pain, Nan Fang discovered that she had fallen in love with Qin Qing.
In order to be with Qin Qing, Nan Fang decided to assassinate Qin Yan. Unexpectedly, the Dongchuang incident happened and Qin Yan vowed to kill Nan Fang. At the same time, the police launched a late-night attack and defeated Qin Yan's drug trafficking group, and the Qin family fled in panic. The Qin family in Nanfang was also controlled by Captain Liu and was wanted by the police. With the help of Qin Qing, he fled to Vietnam.
In Vietnam, Nanfang, a veteran of the Vietnam War, "Manager Liu" comes into contact with a huge drug trafficking network. Will he fall or be reborn? Nanfang clung to the hope of reuniting with Qin Qing in the quagmire and struggled...