A mysterious infectious disease broke out in Malaysia, and the special medicine MD5 developed by the local pharmaceutical company AMANAH became a panacea for patients. However, Song Danwen, a reporter who had been following the report on the disease, died unexpectedly, and the son of AMANAH President Zhang Rishan (played by Zheng Zeshi) committed suicide in the office. After police investigation, it was found that Mr. Zhang was murdered. At the same time, Mr. Zhang's wife Peng Zhenmei (played by Zhou Xiuna) secretly ran to Hong Kong, and the secrets she carried with her caused a fight among many forces. Hong Kong police officer Wang Dawei (played by Wu Zhenyu) contacted Malaysian Royal Police Sergeant Li Yongqin (played by Zhang Zhilin) to assist in investigating this series of cases. Not long after, Wang Dawei received a video. The video recorder claimed to be a "leaker" and accused AMANAH of being the initiator of the deadly virus, and Zhang Rishan's second son fell into their hands. Racing against the god of death, Li Yongqin and Wang Dawei launched a life-threatening pursuit...