How many movies have Grace Chen Shu-Fang and Hsin Shu-Fen acted in together?

They have worked on 4 movies together! Their first movie together was The Time to Live and the Time to Die (1985) while their highest rated movie together was Dust in the Wind (1986). They have not worked together since A City of Sadness (1989). They are most known for their drama films together.