Singha clashes with his former partner, Inspector King, as a ritual symbol ties the murders to a string of unsolved killings from years earlier.

When a mysterious talisman surfaces during the investigation, Singha finds himself relying on Thup's knowledge of the supernatural to explain it.

Tracing the victims to a religious center, Singha and Thup uncover signs of a larger ritual as a malevolent spirit begins attacking others.

As the team reels from a supernatural attack, Singha and Thup pursue a new lead tied to the case while tensions with King begin to resurface.

As the case reaches a major breakthrough, Darin and Sey try to reconcile their relationship. Singha receives disturbing news about the investigation.

When King names Thup the prime suspect, Singha searches for evidence to clear his name. A new ritual killing escalates the "seven bodies" case.

Singha and Thup discover another body with ties to Santi Tham House. Darin begins to doubt King's commitment to finding the true murderer.

As the investigation reaches a turning point, Thup enters a deadly ritual to expose the truth behind the killings while Singha races to save him.

Thup uncovers a disturbing truth about his past that could link him to the murder case. Meanwhile, King opens up to Singha about his feelings.

Thup discovers he is a murderer's son, but Singha vows to protect him as they hunt a culprit planning a new ritual.

Singha and Thup race to stop a ritual killer, only to realize they are the final targets in a deadly sacrifice.

In the final ritual, Singha and Thup must risk their lives to unmask a killer hiding in plain sight.