While exploring a secluded section of the tunnels, Mouse uncovers a treasure ship that had sunk centuries prior. This quickly throws the Tunnel dwellers in an uproar as greedy Cullen demands his fair share. Meanwhile, Mouse's gift to Catherine of a golden necklace catches the eye of an unscrupulous antiques dealer.moreless
Paracelsus, a former friend of Father's who has been exiled, has been selling a deadly hallucinatory drug in the world above. Meanwhile, Catherine has volunteered to go undercover on this ongoing drug investigation and turns to Vincent for help. Father and Vincent soon must decide how to handle Paracelsus.
Mouse, one of the tunnel dwellers receives the silent treatment after admitting to stealing from above. However, when Vincent and Father become trapped in a cave-in, the other tunnel dwellers debate whether or not to turn to him for help. Meanwhile, Catherine's romantic past with Elliot Burch leads her to seek help from him.moreless
While attending a party, Catherine catches the eye of megabucks developer, Elliot Burch who begins to wine and dine her. Vincent realizes that Catherine has met a man and must deal with the fact that she's beginning to fall in love. Meanwhile, elderly people are being threatened out of their homes and Vincent and Catherine begin an investigation.moreless