The illusion of safety is about to shatter. The fragile calm of Floor 30 is abruptly broken when a massive digital countdown timer appears etched across the morning sky, impossible to ignore. When it hits zero, the city's protective barrier is replaced by a new dome that locks everyone inside. Pushed to their absolute limits, the Liem, Venus, Team Rage, and unlikely allies must band together to fight a battle they were never meant to win. With the event's hidden directive, the heroes face an apocalyptic threat descending from the burning clouds. Will anyone survive when the sky finally falls?