Part 8/9:
With the conclusion of the season, Su-in's journey from isolation to connection comes full circle as she grapples with trust. The once alone individual now becomes an integral part of a collective fight against the parasitic threat. Kang-woo’s new role in this effort introduces a sense of hope, with Su-in receiving a foreboding yet uplifting message from Heidi. A surprising visitor at Team Grey, known for insights into the parasitic nature, leaves the audience with an intriguing cliffhanger as the narrative concludes.