+++++++ The bags of drugs found at the Huai'an Pier in Heng County were implicated in a major drug trade case a few years ago. That case was named the "Huai'an Incident". The case that has yet to find out the truth has reappeared. +++++++Qin Bei's younger brother disappeared in the "Huai'an Incident" a few years ago. In order to investigate the truth behind his disappearance, Qin Bei, who had retired from the public security bureau and was engaged in police school education, accepted the invitation of the deputy director of the Heng County Public Security Bureau to return to the Public Security Bureau to join the task force set up to deal with the "Huai'an Incident"... +++++++ (This is the introduction for now, I will revise it later) The places and events in the article are all fictitious, do not go into details.
Purpose: Protect us silently, anonymous anti-narcotics police