Attacked, mutilated and left for dead, Catherine Chandler is rescued by the mysterious man-beast called Vincent.

Witness descriptions of a vigilante lead Catherine to fear Vincent may be a killer.

Vincent helps the residents of an apartment building defend their homes against thugs who want them out so the land can be re-developed.

Injured in an explosion, Vincent is captured by a vicious street gang.

Free to walk the streets openly on Halloween, Vincent becomes the guardian of an Irish peace activist who's been targeted for assassination.

Vincent must choose loyalties when a childhood friend becomes a mob enforcer.

Accidentally caught on film, Vincent become the target of a scientist desperate to learn the truth about him.

When Father ventures to the Above World for the first time in decades, he is arrested for murder. Vincent and Catherine must delve into Father's mysterious past to uncover the truth.

Investigating a mysterious death makes Catherine the target of a voodoo cult.

Catherine learns that the city's model foster home for children is hiding a dark secret.

When she witnesses a shooting, a deaf girl must decide whether to abandon the sanctuary of the City Below to free an innocent man.

Mouse makes his first appearance - and is quickly shunned by the Family of tunnel folk for thievery. But shortly after Mouse's month-long period of silence begins, Father and Vincent get trapped under ground, Father is seriously hurt, and no one can figure how to get them out. Up Top, Catherine has dealings with Elliot Berch again - and he manages to worm his way back into her life. Everyone learns that things aren't quite as Black & White as they might like them to be.

Vincent and Catherine help a Chinatown beauty avoid an arranged marriage by escaping into the underground.

Catherine has reason to believe that a new drug on the streets is being supplied by someone from Vincent's world.

A beautiful attorney seduces Catherine's boss, Joe Maxwell, creating a serious conflict of interest.

Catherine is disturbed when she begins to suspect the new attorney in her office is a fraud... and more disturbed when she finds him looking for the entrance to Vincent's world.

Catherine fails to heed Vincent's warnings about her dangerous former law-school beau.

After Mouse discovers a ship's gold and gemstones treasure buried beneath the city, Vincent's community is torn apart by greed and strife.

A Romani boy clears his father's name and regains the love and trust of his grandparents with Vincent and Catherine's help.

Vincent prepares for a battle to the death after Catherine is kidnapped by a giant warrior.

Vincent's world Below is threatened by a massive tower being built by Elliot Burch, a former suitor of Catherine's. She agrees to marry Burch on the condition that he halt construction.

Catherine and Vincent are forced to question if they could ever be truly happy together.