The story picks up with the survival group still trapped within the music room. The atmosphere is thick with grief following the recent loss of a friend, but the immediate threat of starvation and the encroaching zombie horde forces them to plan their next move.
: Meanwhile, outside the school, the military and government struggle to contain the outbreak. The episode highlights the cold, calculated decisions being made by authorities, who are beginning to prioritize the safety of the country over the lives of the trapped students. The story picks up with the survival group
: The students realize they cannot stay in the music room forever. They devise a plan to reach the rooftop, hoping to signal for rescue or find a more defensible position. This requires a dangerous trek through the hallways they have spent days avoiding. The episode highlights the cold, calculated decisions being
: One of the most terrifying elements of this episode is the continued evolution of Gwi-nam. Having survived multiple "deaths," he has become a "half-bie"—retaining his human consciousness and intelligence but possessing the strength and hunger of the infected. He begins a relentless, predatory hunt for Cheong-san, driven by a personal vendetta. This requires a dangerous trek through the hallways