Paracelsus, a former friend of Father's, sells an hallucinatory drug in the world above.

Paracelsus kidnaps Catherine, which causes Vincent to begin a quest to rescue her.

Unable to visit Connecticut with Catherine, Vincent has visions of what life would have been like without him.

Winterfest is a celebration of great importance to those who live below. This is Catherine's first Winterfest. But this year Winterfest is interrupted by Paracelsus.

An insistent reporter sets off Vincent's confrontation with himself.

Paracelsus' lie about Vincent's birth brings Vincent to the verge of madness.