Season 1

1

Episode 1

65%

April 5, 2024 • 1h 1m

After a brutal attack, Jeong Su-in learns she may not be the same person as before. Choi Jun-kyung discovers the monsters are forming an organization.

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2

Episode 2

70%

April 5, 2024 • 43m

Looking for his sister, Seol Kang-woo investigates Saejin Church, where he finds Su-in. But he soon encounters trouble — and the two fight to escape.

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3

Episode 3

74%

April 5, 2024 • 43m

After raiding Saejin Church, Jun-kyung begins suspecting Kim Chul-min is hiding something — later tracking him down meeting with Su-in and Kang-woo.

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4

Episode 4

76%

April 5, 2024 • 53m

After revealing everything he knows to Chul-min, Kang-woo agrees to help save Su-in. But when the plan goes awry, lives are put at risk.

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5

Episode 5

78%

April 5, 2024 • 48m

Despite being on the run, Su-in tries to warn Jun-kyung. But as Team Grey's raid plays out, Su-in and Kang-woo realize it's all part of a bigger plan.

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6

Episode 6

76%

Season Finale

April 5, 2024 • 52m

Su-in meets with Seol Kyung-hee, who requests an alliance. But the parasites' ploy for power goes into full effect — and it's up to Heidi to stop them.