New York, late summer, 2000. A party in a spacious Manhattan apartment, hosted by a wealthy young activist. Dozens of idealistic twenty-somethings have impassioned conversations over takeout dumplings and champagne. The evening shines with the heady optimism of a progressive new millennium. A young man, Ben, meets a young woman, Kate--and they begin to fall in love. Kate lives with her head in the clouds, so at first Ben isn't that concerned when...