Ali Haqiqat is a young man who unknowingly joins forces with drug smugglers by accepting a job as their truck driver. Ali is caught at a police checkpoint where he meets Sergeant Major Haghgoo – a long serving and honest officer of the Iranian Gendarmerie force. Sergeant Major Haghgoo discovers heroin in Ali’s truck and gets assigned to take Ali to Tehran for prosecution. However, during their trip, Officer Haghgoo decides Ali is innocent and helps him escape. Together, the pair set out to find the real culprits behind the country’s biggest drug trafficking business.