S1.E1 ∙ Episode #1.1 Thu, Apr 04, 2024 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. 7.1 /10
S1.E2 ∙ Episode #1.2 Thu, Apr 04, 2024 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. 7.3 /10
S1.E3 ∙ Episode #1.3 Thu, Apr 04, 2024 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. 7.3 /10
S1.E4 ∙ Episode #1.4 Thu, Apr 04, 2024 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. 7.6 /10
S1.E5 ∙ Episode #1.5 Thu, Apr 04, 2024 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. 7.2 /10
S1.E6 ∙ Episode #1.6 Thu, Apr 04, 2024 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. 7.5 /10
