On meeting Madam Butterfly, Dan feels delighted and tells her that he

will not mind her unfaithful act. However, Madam Butterfly refuses to

join him and says that her days are numbered. She asks him to turn

his love to Caw. Nevertheless, Dan cannot drive her out of his mind

and accompanies her to seek medical help from Chi. Though under

Chi's treatment, Madam Butterfly's health seems to get weaker and

weaker. Feeling hopeless, Madam Butterfly even attempts to commit

suicide but is saved by Chi.

With Lung's help, Yuen's father revives his memory and recovers his

sense. Reunited with his father, Yuen is determined to reform himself

and strive to revive his family name. This delights the Princess

who agrees to marry him.

Lo Tso still wants to get rid of Dan and he makes use of Yu. In the

end, Dan manages to defeat them.