On day five, Mia arrives with a desperate mob and attacks the protagonist's reinforced bunker, expecting to find supplies. Despite their weapon assault, the bunker holds firm until Dawn Security, seeking revenge, joins forces with Mia's group. Suddenly, the noise stops, and the protagonist discovers the bunker’s main entrance is breached. Mia reveals she stole the protagonist's fingerprint before, allowing her to unlock the doors and lead the mob inside. As the invaders advance deeper, the protagonist faces an escalating threat, trapped as danger closes in from within the bunker.