Kum is attracted by Yule appearance and character and grows very fond of him. She tells him how she is being ill-treated by Dan. This arouses Yu's sympathy for her. It just happens that Dan is at one time hiding in the brothel to avoid being caught by the Emperor's men. There he meets Kum who vents all her angry feelings towards him. Madam Butterfly goes to the house of the Emperor's uncle to look for Dan but is caught and forced to marry the Emperor's uncle. Dan also goes there to find evidence to prove his innocence. There he meets and saves Madam Butterfly from her plight. Because of some misunderstanding, Dan is treating Madam Butterfly coldly. Yu acts as a go-between and the two become close again.