As the Charmed Ones are contemplating their moves when the final battle between the Ultimate Powers while stuck in the Underworld, Piper gets a vision of Leo, who approves of the sisters final plan. As a result, they conjure the Hollow before the final battle begins. While this is going on, Coop attempts to proclaim his love to Phoebe, and both Victor and the demon Dumaine attempt to persuade Piper's sons to use their magical powers to help both sides of the fight.