Lord Arthur Savile's crime.

It was Lady Windermere's last reception before Easter, and Bentinck House was even more crowded than usual. Six Cabinet Ministers had come on from the Speaker's Levee in their stars and ribands, all the pretty women wore their smartest dresses, and at the end of the picture-gallery stood the Princess Sophia of Carlsruhe, a heavy Tartar-looking lady, with tiny black eyes and wonderful emeralds, talking bad French at the top of her voice, and laughing immoderately at everything that was said to her.