In a supposedly safe shelter in the rich district, tensions rise as the group discovers three missing members and dwindling supplies. Tim praises himself for ousting Yale, blaming him for the disappearance. Suddenly, the shelter is attacked by zombies, and the survivors find several dead bodies inside. They suspect Yale deliberately infected the shelter with the virus to kill them all. Fueled by betrayal and anger, the group vows revenge on Yale, setting the stage for a dangerous confrontation ahead.