6 episodes • April 5, 2024 - April 5, 2024

When unidentified parasites violently take over human hosts and gain power, humanity must rise to combat the growing threat.

6 episodes

1. 

   #1

   Episode 1

   61 min • Apr 5, 2024 (2 years ago)

   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.

2. 

   #2

   Episode 2

   43 min • Apr 5, 2024 (2 years ago)

   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.

3. 

   #3

   Episode 3

   43 min • Apr 5, 2024 (2 years ago)

   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.

4. 

   #4

   Episode 4

   53 min • Apr 5, 2024 (2 years ago)

   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.

5. 

   #5

   Episode 5

   48 min • Apr 5, 2024 (2 years ago)

   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.

6. 

   #6

   Episode 6

   52 min • Apr 5, 2024 (2 years ago)

   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.