Backup Power (S01E11)

Sae Bom and Yi Hyun find themselves in a dire situation as Oh Ju Hyung, the resident representative, teams up with Andrew and other residents against them. Realizing Sae Bom is in peril, Tae Seok rushes to rescue her. Meanwhile, Yi Hyun, still keeping his infection a secret from Sae Bom, does everything within his power to shield her. Their efforts take a dangerous turn when they confront a horde of infected individuals, putting them all at significant risk.