New York City, 1894. To Gramercy Park, bordered by elegant town houses, cloistered behind its high iron fence, comes Mario Alfieri, a celebrated tenor and the toast of Europe. Poised for his premier at the Metropolitan Opera, the summit of society, Alfieri needs a refuge from the clamor of New York's elite . . . and from the eager women who rule it. He finds it, he thinks, at Gramercy Park, in the elegant mansion of the recently deceased Henry Ogden Slade. The house is available, but not quite empty. Clara Adler, Slade's former ward, lives there still, friendless and alone. Who is this...