Chang'an. The city of Eternal Peace. China's ancient imperial capital and the world's most magnificent metropolis. Its treasures and wealth are now under siege from a mysterious army. In 24 hours the enemies will launch a devastating attack. While the nobles panic and flee, the city's most notorious criminal will be its savior!
Operatives of Wolf Squad make plans to strike Chang'an city on the eve of the Lantern Festival; Li Bi is given orders to apprehend them.
Cui Qi discloses Li Bi's true motive to Zhang Xiaojing; Tugelu takes a boy hostage, claiming to have the map of Chang'an.
Mayor Ji Wen learns of the Crown Prince's wrongdoings; Lin Jiulang wants to do whatever possible to remove the prince as heir to the throne.
Yu Chang gives Long Bo a map he stole off Tugelu; Zhang Xiaojing visits someone knowledgeable in brothels.
Long Bo decides to hide in Li's General Store; Yu Chang steals a map from Tugelu; Xu Bin discovers something about Long Bo.
Zhang Xiaojing wants Ge Lao's assistance in the investigation, but Ge Lao demands he hand over the mole; Zhang Xiaojing loses the support of all mercenaries.
Tong'er reveals the location where Long Bo once took her; Zhang Xiaojing is threatened by the mercenaries in Chang'an.
Wen Ran reveal her efforts to Zhang Xiaojing in the hopes of stopping his investigation; Zhang Xiaojing challenges the operatives.
Zhang Xiaojing advise the Wolf Squad where to launch their strike; Lin Jiulang becomes suspicious of the bad blood between Zhang Xiaojing and Blaze Gang.
Zhang Xiaojing drives a wedge between Wolf Squad and Blaze Gang.
Tan Qi fails to report back; Yao Runeng tells Li Bi that the case must be finalised; Li Bi feels that things aren't as they've been reported; Tan Qi sends a message that two Wolf Squad operatives have escaped.
Ruige and Luda from Nobleman Yousha's retinue chase down a debt, only to be defeated by Yu Chang; Li Bi makes arrangements for the rebel fighters, leaving operatives as bait.
Yu Chang plans to disclose Wen Ran's whereabouts to trick Zhang Xiaojing into leading the Lyuben Regiment astray.
The Peacekeeper Corps learn of the explosion in Changming; the Security Bureau discover that Xu Bin and Zhang Xiaojing know each other.
Lin Jiulang refuses to attend the banquet in fear of being assassinated; Xu Bin tells Li Bi the truth to make peace.
Zhang Xiaojing is able to enter close combat with the enemy thanks to the Peacekeeper Corps; Li Bi wants to dispatch soldiers to help Zhang Xiaojing.
The Emperor orders the Peacekeeper Corps to close the investigation; Zhang Xiaojing is sent back to death row.
With no word from Li Bi, Tan Qi attempts to rescue Zhang Xiaojing herself; Zhang Xiaojing devises a plan to burn down the Yourao Regiment.
General Gan Shoucheng captures Zhang Xiaojing and others during a battle with the Yourao Regiment; Tan Qi buys time for the others.
With his relationship under suspicion, Zhang Xiaojing comes clean about Wen Ran; Li Bi crushes Cao Poyan's loyalty to his master.
Zhang Xiaojing catches a glimpse of a fleeing assassin in Puzhe's room; the assassin and their accomplice try to make a scene so they can flee.
Lin Jiulang learns that Guo Lishi openly supports the Peacekeeper Corps and attempts the ultimate power-grab operation.
Zhang Xiaojing, Tan Qi and Yisi investigate Liu's Bookshop and learn there were eight survivors from the Eighth Squad; Li Bi interrogates Yu Chang.
Zhang Xiaojing, Tan Qi, and Yisi head to Liu's book shop; Long Bo retreats from Peacekeeper Corps alongside Yu Chang and the rebel fighters.
The paramilitaries mistakenly believe Zhang Xiaojing killed their Fire Master Ding Laosan; a call goes out to hunt down and kill Zhang Xiaojing; Long Bo detains Li Bi in his hideout mansion.
Li Bi questions He Fu while they're locked up together; he asks if He Zhizheng was behind Lin Jiulang's assassination plot.
He Fu is interrogated about the assassination by Lin Jiulang, and Lin demands that he implicates He Zhizheng and the crown prince.
Zhang Xiaojing runs into Li Bi in the underground city and they come to the conclusion that the assassination of Lin Jiulang was a sham.
Ge Lao gives Zhang Xiaojing a pass that will permit entry into Liu's bookshop; he uses it to go see the current Fire Master.
In the past, Li Bi gets rid of Yao Runeng when they quarrel over whether or not they should stay in the mountains and practice monasticism.
Li Bi recalls something that Xu Bin once said: staying alive is the key to resolving all issues.
Li Bi believes that the Emperor wants to utilise the struggle between Lin Jiulang and the Crown Prince to shore up his own power.
A grievously wounded Yao Runeng is left in the street, but is rescued by a mysterious man; Tan Qi is thankful that Li Bi saves her life, but she still holds a grudge against him.
Rebel fighters masquerade as craftsmen, but Zhang Luo becomes suspicious and decides to check things out.
Tan Qi begs Yan Yuhuan to conceal the truth and plead with the Emperor to spare Zhang Xiaojing's life.
The Crown Prince and Lin Jiulang end up in a very heated argument where they attempt to blame each other.
The Crown Prince and Lin Jiulang end up in a very heated argument where they attempt to blame each other.
The survivor want to go back to Chang'an to reunite with their families; the Deputy Minister announces the commencement of the Lantern Festival banquet.
Ding Laosan raises his sword for the final charge; Zhang Xiaojing puts his traumatic memories aside and attempts to stop Long Bo.
He Zhizheng fearless reminders to the Emperor about mistreating his own children rings alarm bells for the Emperor; Zhang Xiaojing is shocked by the identity of the ruthless killer in front of him.
The Emperor puts the Crown Prince into a public conundrum; He Zhizheng expresses his support of the Crown Prince and attempts to assassinate Lin Jiulang.
Zhang Xiaojing wants to remove the Lantern Tower's extendable arms; Yu Chang regains consciousness and starts to fight again.
Long Bo leads the Emperor through the secret passage; Lin Jiulang and other officials get rescued by Yuan Zai.
Zhu Xuan spots the Emperor battered by the side of the road from a beating by a low-ranking bureaucrat.
Gan Shoucheng wants the Crown Prince to be put to death, but He Zhizheng and Ning Wangsun manage to save him.
Zhang Xiaojing gets reminded of the tragic death of Wen Ran and becomes overcome with grief; Long Bo tells the Emperor about some stories that involve Wen Wuji.
Cheng Can believes that Long Bo's assassination of Lin Jiulang as a pretence for the Emperor's assassination.
The Emperor thinks that the Crown Prince was the one responsible for Zu Bin and the assassination plot against him.
