Firefly (2002)

S1E6 Shindig

Inara finds herself at a prestigious social dance, unexpectedly encountering Malcolm, who is busy trying to arrange a smuggling deal. Tensions rise when Mal gets into a confrontation with Inara's arrogant date, leading to a challenge that pits him against a famous swordsman. With just one night to master the art of fencing, Mal must quickly prepare for the duel ahead.