A group of rebels seizes upon footage showing a peaceful, restored surface world to condemn Alan, their leader who confined them underground. Convinced Alan lied about an ongoing apocalypse to control them, the rebels, led by Ms. Clifford, sentence Alan and his ally Jane to death and prepare a public execution. Unknown to the celebrating rebels, a hidden threat referred to as Three-Eyes observes their planned exodus, anticipating a 'feast' as the unsuspecting humans prepare to leave their fortress.