Firefly: Season 1, Episode 6

1 - 6: Shindig

On the planet Persephone the crew contact their old "friend" Badger the ruthless crime lord to transport some goods on behalf of a local lord. While at a ball to arrange a transport job with the lord, Mal defends Inara's honor when her current customer insults her. By local custom he unintentionally challenges her date, Atherton Wing, to a duel.