Xie Huai'an, son of the Huben Army's creator, survives his family's massacre. After ten long years in hiding, he returns to Chang'an disguised as a lowly registrar, moving step by step through jianghu clashes and palace power plays in a tense battle of wits to avenge his family and safeguard the realm.
After seizing the throne, Xiao Wuyang orders Xie Huai'an to destroy the vanished Huben Dark Guards and secure the deposed emperor of Chang'an.
Xie Huai'an must pass the emperor's challenging test to prove his loyalty while bravely rescuing Bai Guan and carrying out Xiao Wuyang's orders.
Xie Huai'an uses the deposed emperor as bait to lure Yan Fengshan, and secretly protects his sister, Bai Guan, as authorities question her relentlessly.
Seeking vengeance, Xie Huai'an traps Liu Ziyan amid Tiger Guard infighting, while Ye Zheng brings Xiao Wenjing to witness the deadly showdown.
Amid the chaos of a Tiger Guard siege, Xie Huai'an fights fiercely to break through enemy lines and rush to Bai Guan, who faces imminent danger.
Reeling from his injuries and past losses, Xie Huai'an awakens and sets a trap to confront Liu Ziyan as Chang'an's stability teeters.
Hiding his kinship with Bai Guan, Xie Huai'an helps her leave safely and secretly orders the execution of their enemy, shouldering the feud alone.
The Huben Army storms the city walls, killing soldiers and kidnapping a key target, as Xie Huai'an enters the palace to protect him and plan a rescue.
In a disguise as Huben soldier Wang Xing, Xie Huai'an enters Hidden Soldier Alley to deceive Di Lu, but his plan is riskier than he anticipated.
Xie Huai'an and Han Ziling coordinate to locate Gu Yu, who is imprisoned in a cave. Xie learns that Wang Pu is forging a new identity for Yan Fengshan.
After meeting with Ye Zheng, Xie Huai'an plans Gu Yu's rescue. Xiao Wenjing meets Xiao Wuyang, while Wang Pu reports Yan Fengshan's personal involvement.
A rescued Gu Yu bravely joins Xie Huai'an in an ambush against the Huben Army, while Han Ziling helps Xie escape under intense danger.
As Xiao Wuyang sets a trap for Yan Fengshan, Gu Yu moves to reclaim his command, while Xie Huai'an witnesses unfolding chaos and unimaginable hardship.
As Chang'an falls into chaos, Qing Yi escapes while Xiao Wenjing protects the injured Xiao Wuyang, and Xie Huai'an lies hidden as Wang Pu draws near.
Xie Huai'an uncovers Yan Fengshan's crimes and sends Xiao Wenjing to impersonate the emperor, unaware that Xiao Wuyang is secretly testing him.
To derail Yan Fengshan's negotiations, Xie Huai'an sends Wu Mei across enemy lines and coordinates with Gu Yu to pressure the merchant Yang Chuhao.
After a confession, Xiao Wenjing seeks to enter the Capital. Xie Huai'an seizes an envoy in a trap while attempting to ensure Yang Chuhao stays safe.
Gu Yu, disguised as Chancellor Gao, aids Xiao Wenjing. Xie Huai'an faces Yan Fengshan as past memories pulse beneath the surface.
After Su Changlin strikes, Yan Fengshan corners Xie Huai'an in Bai Guan's residence. Xie faces danger — until someone seemingly returns from the dead.
Xie Huai'an's plan to outmaneuver Yan Fengshan succeeds, but the aftermath plunges Chang'an into a dangerous chaos and tests those around him.
Following Gu Yu's clue, Xie Huai'an searches for the military order. Ye Zheng helps Xiao Wenjing escape, and Shen Xiaoqing confronts Su Changlin.
Cheng Yi
Xie Huai'an
Liu Yijun
Xiao Wuyang
Wang Jinsong
Wu Zhongheng
Zhou Qi
Xiao Wenjing / Zhang Mo
Tong Mengshi
Ye Zheng
Xu Lu
Bai Wan
Ni Dahong
Cen Weizong
Wang Zixuan
Shen Xiaoqing
Wang Zuyi
Wang Pu
Liu Yitong
Li Sangeng / Han Ziling
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