While walking above one night Vincent spots an ex-tunnel dweller, named Rolly. Catherine and Vincent try to help him. Rolly is also a piano prodigy or at least he used to be

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

Dimitri, a Russian sailor unknowingly brings the plague below

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

Catherine volunteers on a teen help line. While working she recieves a call from a young girl who is pregnant and living on the street. After meeting her Catherine talks to Vincent about her staying in the tunnels

Laura, a deaf ex-tunnel dweller, falls in with a deaf street gang

Michael leaves to the tunnels to go to college above. Vincent deals with jealousy issues of not being able to go to college above. Catherine befriends him and helps him settle in

Brian, an unhappy young Dungeons and Dragons player, discovers the tunnels

Devin, rescues a man who has elephant man's syndrome from a cruel circus man. The owner leaves the poor man locked in a cage like an animal. Devin, then brings him below where he knows that he will be safe

Catherine must turn in Kanin. He is a tunnel dweller who is wanted for a past DWI vehicular homecide

A murderous "family" takes up residence in the tunnels

Catherine's father dies and Vincent allows her to come below to grieve. He also makes her go back above because he knows that she does not belong there no matter how he feels. Catherine finally agrees and goes back above

Ballerina, Lisa's return to the tunnels opens up old wounds for Vincent

Catherine meets a strange man who says that he is an artist. His name is Kristopher Gentian. But when strange things begin to happen it leads both Vincent and Catherine to wonder if the man is really an artist or a ghost

Catherine is harrassed by a peeping tom. The worst part is that this man has seen Vincent!

Catherine must travel to L.A. for information about a murder case

Catherine prosecutes a case of fatal child abuse. The wife won't testify against her husband

Elliot Birch is pursued by a death squad. Catherine puts her own life on the line to help him

Rich kids kill young prostitutes for fun

An insistent reporter sets off Vincent's confrontation with himself

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

A stress-aggravated illness triggers Vincent's collapse. Vincent goes far back through the catacombs of the tunnels to hide in a cave. While in there he continually growls and thrashes about as if he's gone mad