Joy is captured by her father, Victor, and the others in the Society of Ankh who order her to assemble the Cup as the Chosen Hour arrives. Meanwhile, a gloating Rufus tells Nina and Sibuna that not even Victor knows the full consequences of drinking from the Cup of Immortality. Joy fails in her attempts to assemble the cup, and she realizes that she isn't the Chosen One. Meanwhile Sibuna escapes Rufus and they make it back to the house. They find that Nina and Joy share the same birthday, but Joy says that her birthday was at 7PM while Nina was born at 7AM - the true seventh hour. They discover that Nina is the Chosen One and she reassembles the Cup, only to have it taken by Rufus, who returns. After Rufus drinks from it, he puts it in the fire and leaves. It turns out that Fabian switched the real elixir of life with a fake one and threw the real one away. Upon hearing this, Victor is devastated.

The kids all leave to go to the prom, accepting that the quest is over. However, when Nina was about to leave the house, she hears Sarah's voice telling her to go back and that it is not over yet. Nina finds out the Cup is not destroyed after all. Sarah tells Nina to bury the Cup of Ankh and to make sure that no one finds it. After burying the Cup she goes to the dance.

Amber chooses the Prom King and Queen to be Fabian and Nina. Nina and Fabian dance and finally have their first kiss. Then the episode ends with the camera panning down to reveal the Cup of Ankh glowing buried underneath the stage.