Guan Xia, the wife of Dai Ju in the mysterious sand, was not sick, but became addicted to drugs and finally died of terminal illness. . In the TV series Misha, Dai Wenxing defected because his wife needed drugs to take drugs. Dai Wenxing was originally the police chief, and he was an upright and strong policeman. Qi Yannan, the leading actor, is an apprentice taught by Dai Wenxing, but he didn't expect that Dai Wenxing would become the undercover of drug dealers in the police station, and Dai Wenxing was also forced. A few years ago, when Dai Wenxing was handling a case, drug dealers took Dai Wenxing's wife Guan Xia away to threaten him. Dai Wenxing loves Guan Xia very much, but he can't give up the drug dealer he is arresting for Guan Xia. Later, the drug dealer was desperate and injected Guan Xia with a drug called Wei Tuo Powder.