Seasons & episodes
S1 · E1Najin 2023-12-22 · 68 min
Facing financial ruin, Jang Tae-sang agrees to track down a missing person — but two figures trail him. Meanwhile, sinister operations occur underground.
S1 · E2Mother 2023-12-22 · 69 min
Yoon Chae-ok and Yoon Jung-won find a lead on Myeong-ja, leading them to a hospital. Soon, a calamity traps the two inside, leaving Tae-sang concerned.
S1 · E3Signal 2023-12-22 · 74 min
Tae-sang decides to reenter the hospital, but discovers that Ryu Sachimoto is nearby. At the hospital, Chae-ok and Jung-won devise a risky rescue plan.
S1 · E4Imprinting 2023-12-22 · 66 min
Reunited in their search for Myeong-ja, Tae-sang and Chae-ok attempt to also save other survivors. But soon, the monster makes itself known.
S1 · E5Desperation 2023-12-22 · 68 min
After coming face to face with the creature, Tae-sang and Chae-ok get captured. But as one plans his escape, the other stays to find a person dear to her.
S1 · E6Chaos 2023-12-22 · 69 min
Tae-sang steadfastly remains to save Chae-ok and the captives. On a mission to find her mother, Chae-ok learns the grisly truth — and confronts the beast.
S1 · E7Chase 2023-12-22 · 65 min
With only 10 minutes to act, Tae-sang and Chae-ok risk it all to get everyone to safety. But just as all goes to plan, one of them may not get out alive.
S1 · E8Awakening 2024-01-05 · 65 min
An unlikely acquaintance becomes Tae-sang's ticket out of the hospital. After a touching reunion, Tae-sang and Chae-ok encounter a transformed Myeong-ja.
S1 · E9Atrocity 2024-01-05 · 70 min
After a series of grisly deaths, Ishikawa finds Myeong-ja in her new state. Tae-sang shares a tender moment with Chae-ok, unaware of her hidden plan.
S1 · E10Tear 2024-01-05 · 78 min
In order to rescue Chae-ok and stop the atrocity, Tae-sang and Jung-won forge a plan. But just as the coast seems clear, Yukiko Maeda stands in the way.
S2 · E1Ho-jae 2024-09-27 · 47 min
On a mission to clear his name, Jang Ho-jae searches for a mysterious woman. On the job, Chae-ok encounters a familiar person from decades ago.
S2 · E2Sign 2024-09-27 · 50 min
While looking for the same person, Ho-jae ends up saving Chae-ok, who's being chased by a mysterious being. Ho-jae begins to wonder more about his past.
S2 · E3Pieces of Memories 2024-09-27 · 43 min
Chae-ok agrees to work with Ho-jae to find Seung-jo, but they soon find themselves in peril. Meanwhile, Chae-ok's monstrous instincts begin to surface.
S2 · E4The Other Side 2024-09-27 · 46 min
Ho-jae tries to piece together everything that has been hidden from him. Chae-ok discovers that the atrocities of the past continue to the present day.
S2 · E5The Creature 2024-09-27 · 51 min
In his effort to save Chae-ok, Ho-jae makes a momentous decision. Having sustained severe injuries, they must battle through a treacherous escape.
S2 · E6Bait 2024-09-27 · 48 min
After a test subject wreaks havoc in public, Jeonseung Biotech goes into damage control. Fate drives Ho-jae and Chae-ok to confront the company head-on.
S2 · E7Marginal Man 2024-09-27 · 57 min
As Ho-jae's enemy threatens to hurt those closest to him, he risks everything to protect them. Will he survive the ferocious beasts and save Chae-ok?