a new type of drug has appeared in hong kong city, which has led to the armed drug smuggling case two years ago, and the clues point to hongtu group. after the transformation, lu yunlong was ordered to investigate undercover and rescued the group's chairman li hong and gained trust. he found out that the second-in-command chen biao was the murderer who killed his teammates back then. he joined hands with undercover xu li, and went through a life-and-death battle with drug dealers, and finally succeeded
the youngest son of former special forces soldier sarah (jeona gulsau) disappeared without a trace while visiting the u.s. consulate in frankfurt. what's even more strange is that no one seems to remember that he had been to this building. sarah knows that the german authorities have no jurisdiction in the consulate and may be re-established if she is forced to leave now.
