"앤드류와 결탁한 동대표와 주형, 거기에 동조한 주민들에 의해 새봄과 이현은 위기에 빠진다. 태석은 새봄에게 위험이 닥친 걸 알고 새봄을 빼내려 하고 이현은 자신의 감염을 새봄에게 알리지 않은 채 새봄을 구할 대책을 세우는데…"
Sae-bom and Yi-hyun fall into a crisis due to the resident representative, Oh Ju-hyung, and other residents conspiring with Andrew. Tae-seok learns that Sae-bom is in danger and tries to get her out. And Yi-hyun, who still hasn't told Sae-bom about being infected, tries to protect her in any way he can. However, they end up face to face with a mob of the infected.
Sae-bom y Yi-hyun van al piso de abajo para encender el generador de emergencia. Mientras tanto, un asesino a sangre fría espera su regreso.
Sae-bom und Yi-hyun machen sich auf den Weg nach unten, um das Notstromaggregat einzuschalten. Währenddessen wartet ein kaltblütiger Killer auf ihre Rückkehr.
Sae-bom et Yi-hyun descendent mettre en marche le générateur de secours. Pendant ce temps, un implacable tueur attend leur retour.
