When the head of a cabal of assassins falls ill, his swordsman asks a divine doctor for help while fending off the three families vying for power.
After the Blood River's leader is weakened from a poisoning, Su Muyu must get him to Bai Hehuai, a healer who can provide a cure.
The Blood River fractures under power struggles. Su Muyu battles Su Changhe, a former ally turned rival, who seeks to seize control of the organization.
Su Muyu and the others reach Spider's Nest, only to walk into an ambush by two rival families, as Su Changhe beats them to the divine healer, Bai Hehuai.
Su Muyu attempts to rescue Bai Hehuai and learns that a presumed ally is actually a traitor. The Xie and Mu families plan an attack on the Spider's Nest.
As Xie Fanhua attacks the Spider's Nest, Su Muyu fights to protect allies, while Bai Hehuai uncovers shocking truths during the healing process.
As loyalties shift and betrayals deepen, Su Muyu fights to protect Bai Hehuai, who risks everything to save the Patriarch, sparking a new power struggle.
Tensions rise between the clans after Su Muyu accepts the Twelve Zodiacs' proposal. Later, he absconds with a gift from The Patriarch.
Su Muyu's bid for freedom sparks chaos as rival clans clash over the sword, exposing Blood River's true role in a far greater scheme.
Internal and external threats endanger Blood River's future as Su Changhe forms his own organization and urges Su Muyu once again to join him.
Su Muyu and Su Changhe assume new, powerful roles. Bai Hehuai opens her clinic, and Su Changhe uncovers a secret inside the Dormant Dragon Sword.
Su Muyu reluctantly agrees to explore the sword's mysteries with Su Changhe. Soon, they encounter the eccentric Hong Ying by the Yellow Springs River.
Su Changhe and Su Muyu explore a hidden treasure within the Yellow Springs Pawnshop, but forces intervene. Later, Su Muyu faces a dangerous ultimatum.
Su Changhe discovers the true power behind Blood River. Meanwhile, Su Muyu and Su Zhe run into trouble that leaves them in a precarious position.
Raven manipulates Su Changhe into a dangerous mission. After a fierce confrontation, Su Changhe retreats with Su Zhe and begins plotting his next move.
Still in the Shadow Prison, Su Muyu receives aid from an unexpected ally just as the conflict between Blood River and the Shadow Sect intensifies.
Su Muyu encounters a powerful figure at the Wanjuan Tower, while Su Changhe has a plan of his own as the Three Elders face mounting pressure.
After reclaiming important documents about his past, Su Muyu joins Su Changhe in a decisive act, setting the stage for their next journey together.
In a village, Su Muyu and Su Changhe uncover the truth behind Blood River and follow Bai Hehuai to Nan'an, where Su Muyu takes on new responsibilities.
The medicine hall opens with Su Changhe using his influence to boost its popularity. Su Muyu arrives in Wushuang City, where he faces conflict.
Su Changhe defends his authority as the Patriarch. Su Muyu battles Lu Yuzhai and the Four Dao-Seeking Swords, then encounters the Old City Lord.
Su Muyu agrees to fight Song Yanhiu in seven days, and that night his father's ghost visits him. Wushuang City once again braces for battle.
Bai Hehuai and Su Zhe head to Wushuang City for the upcoming battle, while Su Muyu bets on himself and Song Yanhiu prepares for the fight.
During battle, Jian Wudi spirals out of control. After forces restrain him, he returns but his toxic blood threatens Bai Hehuai.
Su Muyu brings Bai Hehuai to Nan'an, where the group rests and shares a meal. Su Changhe receives a letter that sends him to investigate the Tang Clan.
The magistrate's son dies suspiciously and Bai Hehuai proves it was poison. Su Muyu tries to forge an alliance between Blood River and the Tang Clan.
Danger follows Mu Qingyang and Mu Xuewei in Jincheng. Mu Yumo exposes the Tang Clan, while Su Muyu follows a butterfly straight into battle.
Seeking peace, the Tang Clan asks Blood River for help. Negotiations for Mu Xuewei's release soon devolve into chaos when conflict erupts.
After rescuing Mu Xuewei and escaping a trap for Tang Lianyue, Su Muyu and Su Changhe each set out to meet the King of Langya in Tianqi.
Tang Lianyue and Su Muyu square off with Ye Ya. Xiao Ruofeng extends an invitation to meet Blood River. Su Changhe fortifies his succession claim.
Su Changhe helps soften the blow of the poor opening of the Heyu Medicine Hall in Tianqi. Xiao Ruofeng makes a contingency plan ahead of his meeting.
At Fengxue Tower, a new alliance forms. Su Changhe isolates after an attack from a cold poison. Su Muyu makes a heroic choice with grave consequences.
After an attack on the medicine hall, Su Muyu helps Bai Hehuai fake her death. He fights Dian Ye as Su Yunxiu arrives just in time to aid him.
Li Xinyue is sent on a rescue mission. The relationship between Tang Lianyue and Mu Yumo is explored. The group meets Lord Haoyue in the Ghost Market.
Su Changhe returns and has a tense confrontation with Xiao Yong. Su Zhe makes a sacrifice to aid Su Muyu. A new order allows Dian Ye to hunt.
Enemies surround the Blood River hideout, leading to violence. After awakening, Su Muyu forges a new alliance to settle past grievances.
Bai Hehuai finds a cure for the poison, but Mu Yumo endures a terrifying ordeal while delivering it. Tang Lianyue makes a momentous decision.
Zhuo Qing battles Su Changhe and Su Muyu, who enters an uncontrollable rage. Bai Hehuai calms him down, but then falls victim to a poison outbreak.
Su Muyu goes into a frenzy after misjudging the situation, acting impulsively before leaving Tianqi. Years later, a long-awaited reunion occurs.
