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Grisly murders once rocked Luoma Lake. Now, decades later, Mu Dai travels to Wujiang to meet an informant with new details on the cold case.

After meeting him on the way to Wujiang, Mu Dai teams up with Cao Yanhua to trail a man looking into the Luoma Lake case and gets another lead.

While pressing Luo Ren about his interest in the case, Mu Dai discovers a shocking link between him, the Xiaoshang River incident and her boss.

As Madam Hong shares what she knows about the Luoma Lake murders, she recalls a crucial run-in and reveals her motive for investigating.

When Luo Ren's cousin gets violent, Mu Dai notices something unusual on her skin. Thirteen-Thousand tries to get time off work for him and Cao Yanhua.

After getting Pingting medical help, Mu Dai and the others battle the parasite while avoiding infection. Luo Ren's reckless decision angers Mu Dai.

Thirteen-Thousand goes with Luo Ren to his village, convinced it holds answers to the ill omen. Mu Dai applies to be a treasure hunter's bodyguard.

While Mu Dai and Hongsha recover from their injuries, the group sets up camp together. Feeling left out, Cao Yanhua wonders if he's being replaced.

A mutated clam attacks Cao Yanhua, prompting a rescue. As the group considers the presence of a dark relic, Mu Dai asks Luo Ren an intimate question.

In Mighty Kun's lab, the team makes a significant breakthrough in their fight against the parasites. Mu Dai grows uneasy over her missing memories.

Luo Ren and the crew race to reach Mu Dai as she accompanies Hongsha and Grandfather Yan through the mountains — and unknowingly into danger.

Luo Ren confronts Hongsha's grandfather and gets a disturbing confession. The team sets off again, but an alarming encounter forces them to split up.

While Mighty Kun researches an ancient legend that could help stop the ill omens, Thirteen-Thousand and Cao Yanhua get valuable intel from their captor.

Thirteen-Thousand joins Hongsha in the mountains, while the rest rush to deliver the relic to Mighty Kun. Mu Dai and Luo Ren discuss their feelings.

The team uncovers another relic while searching for Mu Dai. Luo Ren learns the truth behind Mu Dai's personality shifts from Madam Hong.

When a darker side of herself takes over, Mu Dai flees Lixi and saves a woman who offers her both a job and a chance at a new life in return.

Accused of murder, Mu Dai seeks out Luo Ren to help her escape, but he urges her to stay and investigates, soon finding a link to the mysterious letter.

With Ma Chao's information, Thirteen-Thousand joins the squad to investigate the murder case framing Mu Dai, which may be tied to a mysterious relic.

After learning Xiang Silan's true identity, a distraught Mu Dai flees as her friends try to comfort her. Luo Ren presses their captive for more intel.

After receiving a suspicious message, Cao Yanhua heads to his hometown to look for a friend. The others follow when they can't contact him.

While meeting an old colleague, Luo Ren learns someone from his past has returned. Mu Dai falls into a trap while searching for a cellphone signal.

After Luo Ren escapes Yafeng's trap and reunites with Mu Dai, they piece together Qingshan's plans, Hongsha arrives in time to save Thirteen-Thousand.

Hongsha notices a suspicious item during the wedding and tries to lure out the relic. Meanwhile, Mu Dai and Luo Ren continue exploring the caves.

Thirteen Thousand confronts Qingshan in a lake, suspecting he's possessed. Mu Dai and Luo Ren hypnotize Yafeng to learn what she knows about the relics.

When her master falls ill, Mu Dai plans to visit with Cao Yanhua, but Luo Ren insists on going with her after hearing of a threat to her safety.

Mu Dai finally reaches her martial arts master, who decides if Cao Yanhua is worthy to join the sect. Meanwhile, Luo Ren fears Leopard's next move.

After making an upsetting discovery in the mountains, Luo Ren, Cao Yanhua and Mingshan get a threatening call from Leopard that forces them to split up.

As Luo Ren faces an old enemy, Aoki makes a hard choice. The rest of the team make plans to retrieve an artifact that can repel the omens.

While Leopard presses Mu Dai for more information, the rest of the team searches for the items needed to seal the relics — but they may not be alone.

With Luo Ren reeling from his injuries, the rest of the group joins the fight as Thirteen-Thousand and Aoki chase after the relic.

Master Kun helps the team decipher the meaning of their confusing vision, and they face the difficult truth of what it may cost them to seal the relics.

Mu Dai chooses between changing the painful parts of her past or keeping her life as is, and learns a crucial truth about the relic sealing ritual.