Late on Guy Fawkes Day, 1892, Oscar Wilde arrives at a high-class brothel where a surprise awaits: a staging of his play “Salome,” with parts played by prostitutes, Wilde’s host, his lover Bosey, and Lady Alice. The movie moves between the play and Wilde’s night. In the play, Herod begs his pubescent step-daughter Salome to dance for him, promising her anything she desires. Her…