Jiang Yue Lou goes undercover as Chen Yu Zhi's assistant to investigate gov officials dealing in the opium trade. Jiang Yue Lou sets a trap to catch opium dealers. Yu Tang Chun gets injured during an assassination attempt on Zhan Jun Bai.
The police search Chen Yu Zhi's clinic and find opium, arresting him. Jiang Yue Lou gets in trouble trying to save him. Chu Ran and Zhan Jun Bai also go to Chen Yu Zhi's aid. Chu Ran reports in for her new job at the newspaper agency.
Jiang Yue Lou finally tells his story to Chen Yu Zhi. Jiang Yue Lou and Chen Yu Zhi try to figure out the clues leading to the frame up. Chu Ran finally gets her engagement with Chief Jin canceled.
They hit another dead end with another dead body. Chu Ran goes to interview Jiang Yue Lou and reveals information about someone setting him up. They find Wang Meng from the opium gang.
The police try to get Wang Meng to confess in exchange for treating his mom. Wang Meng escapes and takes the doctor with him. Yu Tang Chun learns how to shoot. Chu Ran's article to exonerate Jiang Yue Lou is published in the paper.
Wang Meng devises a plan to get revenge. Jiang Yue Lou gets there in time to save Chen Yu Zhi. There is a refugee problem that needs to be dealt with in the city.
Dr. Chen plans a city event to raise funds for a donation to the school. Jiang Yue Lou is tasked with helping the refugees, but it doesn't go as planned. Jiang Yue Lou kills a man in front of the police station and gets arrested.
Chen Yu Zhi discusses the plan to help Jiang Yue Lou. They investigate the man killed by Jiang Yue Lou. Chu Ran gets mistaken as Zhan Jun Bai's girlfriend.
Jiang Yue Lou springs a trap to catch "San Ye" during the donation event, but it seems like something is amiss. Zhao Mo Qing is desperate for her brother to be released, so she holds herself at gunpoint. San Ye's identity is revealed.
Everyone is seeking allies to deal with their enemies. The lines between friends and enemies becomes unclear. Zi Ning dies after a failed attempt to kill the General.
The minister is assassinated in front of the police. Jiang Yue Lou is the prime suspect, so he decides to lure out the real killer. Chen Yu Zhi goes undercover as a reporter. The real killer escapes from the courtroom.
They catch the mole at the police station. The blackmailed Mrs. Bai reveals more police secrets, leading to another trap for the police. The mysterious woman almost kills Jiang Yue Lou but gets captured instead.
We learn the story of Jiang Yue Lou and how his life and name got changed. Jiang Sheng Nan turns out to be Jiang Yue Lou's mom, but she won't reveal who the true mastermind is. She does one last thing for her son.
Jiang Sheng Nan tries to seek her son's forgiveness. Jiang Yue Lou murders a bunch of people and is scheduled to be executed. Zhan Jun Bai and his uncle plan to steal weapons. Chen Yu Zhi plans to save Jiang Yue Lou.
Chen Yu Zhi visits Jiang Yue Lou in the mental hospital. Zhan Jun Bai test's Yu Tang Chun's true identity. Chen Yu Zhi protects Yu Tang Chun's from being exposed. Someone contacts Jiang Yue Lou to get him to work for the opium gang.
Zhan Jun Bai decides to test Jiang Yue Lou's loyalty. Yu Tang Chun tries to kill the uncle and finally learns who murdered his entire family. San Ye agrees to see Jiang Yue Lou if he kills Chen Yu Zhi.
Zhan Jun Bai is keeping Yu Tang Chun alive even though Yu Tang Chun wants to kill him. Jiang Yue Lou kills Chen Yu Zhi in cold blood and finally gets to meet San Ye.
Commissioner Bai informs San Ye of everything that is happening. Turns out Ke Ying is still alive, and Zhan Jun Bai wants Chen Yu Zhi to kill Jiang Yue Lou. Chen Yu Zhi and his sister leave the city on a train.
Dr. Chen stays and tries to save the city, Jiang Yue Lou's dying wish. Chu Ran and Chen Yu Zhi figure out how he was exposed and suspect Commissioner Bai. Chu Ran decides to marry Zhan Jun Bai, free Yu Tang Chun, and expose his plan.
Chen Yu Zhi and Yu Tang Chun destroy the weapons to be used in the uprising. Jiang Yue Lou returns, and they try to find reinforcements from Chief Jin.
Something unexpected happens during the wedding, and Chu Ran is taken elsewhere. Chief Jin takes on the General and his army. Jiang Yue Lou tries to save everyone from a bomb. Jiang Yue Lou returns to the police department.