The pond ghost was never the killer. Here’s the full story, every major twist, the villain reveal, and why the finale almost lost me. Full spoilers.
⚠️ Full spoilers ahead. This covers the entire ending of The East Palace.
Gu-cheon is The East Palace‘s protagonist. But really, he’s just the fixer who wanders into a much bigger mess of greed and grievance — one that’s been building for thirty years. Think about it long enough, and the real protagonist of this show isn’t Gu-cheon at all. It’s the power struggle inside the royal family.
Short Answer: It Was Never Just the Pond Ghost
The real tragedy in The East Palace wasn’t caused by the pond ghost alone. The ghost was bait — a tragic story used to hide something far more human: royal greed, succession politics, and a thirty-year chain of revenge.
That’s why the ending works better once you stop asking “which ghost did it” and start asking who benefited from the curse.
The Writers Win This One
An earlier post already praised this show’s writing, and it’s worth repeating. Episodes 1 through 4 play like a straightforward exorcism drama built around a “pond ghost.” Then episodes 5, 6, and 7 each land a twist that reshapes everything that came before. Netflix dramas have a well-known problem with sagging back halves — this one’s writers solved it with genuine craft. By the back stretch, the show plays more like a mystery-thriller than a horror show.
The Bait Called “The Pond Ghost”
The current king (Cho Seung-woo) isn’t the Queen Dowager’s biological son. Thirty years ago, her legitimate sons — the rightful heirs — died one by one, supposedly cursed by the pond ghost. With no heir left, a son born to a royal concubine climbed onto the throne instead: the man who is king now.
Thirty years later, history seems to repeat. Of the current king’s three sons, the eldest and second-eldest die of unexplained causes, and the youngest, Prince Yeongan, is next in danger. The king summons Gu-cheon, a man who can slay ghosts, and threatens to kill him if he can’t save the prince. He assigns his own daughter, Princess Saeng-gang — who can hear the voices of the dead — to assist him.
Gu-cheon uncovers what really happened thirty years ago. A former court lady known as seung-eun sanggung (승은상궁) — a woman chosen by the king to spend a night with him, a status that could eventually lead to becoming a royal consort — earned the previous king’s favor and became pregnant. The Queen Dowager, consumed by jealousy, framed her for an affair with a byeolgam (별감, a low-ranking male palace attendant), tortured her, and forced a miscarriage. The concubine cursed the Dowager in front of thirteen witnessing court ladies and drowned herself in the palace pond — becoming the pond ghost.
Afterward, the Dowager’s own sons started dying one by one. A cursed phrase — “a snake’s shed skin killed the dragon’s child” — appeared inside the salt storehouse where the thirteen court ladies who’d witnessed the concubine’s death were being held for interrogation. Before the Dowager could learn who wrote it, a fire broke out and killed all thirteen women.
Episodes 1 through 4 wrap with Gu-cheon uncovering this and sending both the pond ghost and the thirteen ladies’ spirits into the afterlife. Case closed — or so it seems. The truth runs much deeper.
Who’s the Real Killer?
Gu-cheon eliminates the pond ghost, but something feels off. A spirit responsible for that many deaths shouldn’t have passed on so easily. Sure enough, the truth surfaces. Prince Yeongan dies anyway.
That’s when Gu-cheon learns the current Crown Prince was actually killed by his own father, the king — and concludes the Crown Prince’s vengeful spirit must be behind everything now. The audience, like Gu-cheon, starts to suspect the king is the true villain.
The Crown Prince’s ghost moves to kill the king, and Gu-cheon confronts him again in the world of ghosts. But he’s blocked by tasal gamheung harabeom (타살감흥할아범) — the guardian spirit (momjusin) of a shaman hired by Prince Iksang, the king’s own brother. Gu-cheon takes a curse from the shaman and loses much of his eyesight. What exactly this entity is deserves its own post — coming next. But at this stage, the show has moved far beyond the pond ghost. That story was only the first layer.
The Real Monster Is Human
Episode 6 delivers the deeper reveal. The real killer of the previous king’s sons, thirty years ago, was Consort Choi (숙빈 최씨) — the current king’s own birth mother. She’d staged her own persecution as a curse, eliminated the Dowager’s sons one by one, and put her own son on the throne.
She’d also had help. Saeng-gang’s mother — then a lowly court servant — assisted Consort Choi in poisoning the princes. The king later married her to protect her from Consort Choi, once she was no longer just a servant. The woman who’d appeared throughout the show as Saeng-gang’s gentle grandmother turns out to be the story’s true architect of evil. And that bloodline follows Saeng-gang too — she isn’t responsible for what they did, but she can’t fully escape the legacy either.
In the same episode, the king orders the mass execution of an entire district’s population to contain a plague outbreak. That decision comes back to haunt him later.
By this point, The East Palace has made its real argument clear. The horror here isn’t just supernatural. The horror is power.
History Repeats — The Son Follows the Father’s Path
Episode 7 has one more twist waiting. The one killing the current princes isn’t an outside spirit at all — it’s the Crown Prince himself, who appeared to have been wrongfully killed by his own father.
The Crown Prince, who shares Saeng-gang’s ability to hear the dead, learned from the spirits trapped in the salt storehouse that his father had killed his own brothers to take the throne. He repeated the exact same pattern — killing his own brothers and disguising it as the pond ghost’s work.
The king had known all along there was no pond ghost. The moment he confirms his son is the real killer, he poisons him without hesitation. His logic is brutal: it was enough that he killed his own brothers to become king; he won’t allow his son to repeat the same path. It reads less like a father punishing a son than a ruler confessing to — and justifying — his own ugly past.
That’s the tragedy of The East Palace. The curse didn’t repeat itself because a ghost came back. It repeated because the royal family never changed.
The Ending — The Primordial Gwimae
The Crown Prince’s threat keeps growing. As the spirits of plague victims gather in the palace, the king holds a grand ritual to appease them. Instead, the Crown Prince absorbs those very souls, transforming from a wongwi (a vengeful ghost) into something far worse — a full gwimae.
Believing Gu-cheon will die fighting this monster, Saeng-gang throws herself into the battle instead and ends up in mortal danger. Gu-cheon slits his own throat to reach the brink of death and enter the world of ghosts to save her. There, he strikes a bargain with the “Primordial Gwimae” (태초의 귀매) and receives a chain-linked sword capable of destroying the Crown Prince’s monstrous form. With it, he finally erases the Crown Prince’s spirit for good.
That’s the ending in plot terms. But emotionally, this is also where the show gets most uneven.
The Primordial Gwimae Almost Lost Me
Honestly, the “Primordial Gwimae” is too easy a solution. This is where the finale disappoints most. The whole concept reads like a stock franchise-fantasy device rather than the tightly grounded ghost logic the show had built until then. In Korean, calling something “primordial” (태초) implies it’s foundational, ancient, cosmically significant. For a show that had been so good at tying its ghosts to grief, resentment, politics, and human cruelty, slapping that word on this particular monster doesn’t carry the weight the term demands.
That doesn’t ruin the show. But it weakens the finale.
The Details That Still Worked
Not everything in the finale falls short. A couple of details are genuinely well-crafted.
Gu-cheon dies and returns exactly three days later. In Korea, the number three carries real weight. One old belief connected to the three-day funeral is that the deceased might still return within that window. Tying Gu-cheon’s resurrection to that exact number is a small but deliberate touch.
Here’s another: when Saeng-gang leaves the palace, she rides a horse. When she returns, she walks. Joseon palace gates had a hamabi (下馬碑) — a stone marker instructing everyone, regardless of rank, to dismount and walk from that point on. Riding a horse straight through the gate was a privilege reserved for something like a royal procession. That detail wasn’t an accident — it’s the kind of thing The East Palace does well, small historical signals hidden inside genre storytelling.
The Chain Never Breaks
The king keeps his word and lets Gu-cheon go free, to live outside the palace.
Gu-cheon walks out with Saeng-gang, and his face looks genuinely happy. For a moment, it feels like freedom. But then the show reveals the chain — bound by the Primordial Gwimae, still hanging from Gu-cheon’s wrist, coiled around the palace itself. He isn’t free of that bargain.
Maybe that chain is the concentrated form of everything this show has been about: human greed for power, and the han that greed leaves behind. The pond ghost is gone. The Crown Prince is gone. The chain remains.
If Netflix gives The East Palace a second season, that chain is the obvious place to begin.
Basic Info
- Title: The East Palace (동궁, Donggung)
- Streaming: Netflix (worldwide, July 17, 2026)
- Episodes: 8
- Director: Choi Jung-gyu
- Writers: Kwon So-ra, Seo Jae-won
- Cast: Nam Joo-hyuk (Gu-cheon), Roh Yoon-seo (Saeng-gang), Cho Seung-woo (The King), Jang Young-nam (Queen Dowager), Kwak Dong-yeon (Crown Prince), Tae In-ho (Prince Iksang), Hwang Young-hee (Consort Choi)
If you want the no-spoiler side of the story first, start here:
Should You Watch The East Palace? A Korean Viewer’s Take
The East Palace Explained: The Real Joseon Politics Behind the Ghosts
The East Palace Explained: Korean Ghosts, Shamans, and the Untranslatable “Han”

Looking for something else to watch?
My Royal Nemesis: What You Need to Know Before You Watch
Agent Kim Reactivated: What You Need to Know Before You Watch

Did the ending work for you, or did the Primordial Gwimae feel like a letdown? Drop your take in the comments.
Some links in this post may be affiliate links. If you make a purchase through them, I may earn a small commission at no extra cost to you.