On early and bitterly cold morning in late March, Schuyler Van Alen let herself inside the glass doors of the Duchesne School, feeling relieved as she walked into the soaring barrel-ceiling entryway dominated by an imposing John Singer Sargent portrait of the school's founders. She kept the hood of her fur-trimmed parka over her thick dark hair, preferring anonymity rather than the casual greetings exchanged by other students. It was odd to think of the school as a haven, an escape, a place she looked forward to going. For so long, Duchesne, with its shiny marble floors and sweeping vistas of Central Park, had been nothing less than a torture chamber. She had dreaded walking up the grand staircase, felt miserable in its inadequately heated classrooms, and even managed to despise the gorgeous terrazzo tiles in the refectory. At school Schuyler often felt ugly and invisible, although her deep-set blue eyes and delicate Dresden-doll features belied this. All her life, her well-heeled classmates had treated her like a freak, an outcast - unwanted and untouchable. Even if her family was one of the oldest and most illustrious names in the city's history, times had changed. The Van Alens, once a proud and prestigious clan, had shrunk and withered over the centuries, so that they were now practically extinct. Schuyler was one of the last. For a while, Schuyler had hoped her grandfather's return from exile