'In his blue gardens men and girls came and went like moths among the whisperings and the champagne and the stars'

The world and his mistress are at Jay Gatsby's party. But Gatsby stands apart from the crowd, isolated by a secret longing. In between sips of champagne his guests speculate about their mysterious host. Some say he's a bootlegger. Others swear he was a German spy during the war. They lean in and whisper 'he killed a man once'. Just where is Gatsby from and what is the obsession that drives him?