Catherine Chandler is beautiful, young and rich. But one night, as she comes home after a party, Cathy is kidnapped and disfigured with knives, and when she wakes up she finds herself in another world. It is the world of Vincent, the universe of Galleries, a labyrinth of conduits under the New York metropolitan network, populated by marginalized and strange characters who have decided to isolate themselves from the world of Above. It was Vincent who found Cathy in a dark corner of the park and kept her safe underground, and treated her with dedication. Cathy, her eyes covered with bandages, now completely depends on her savior. But Vincent has a terrible secret ...