How many movies have Mona Lisa and Willy Islao collaborated on?

They have worked on 3 movies together! Their first movie together was Cain & Abel (1982) while their highest rated movie together was Huwag Mong Salingin ang Sugat Ko (1991). They have not worked together since Huwag Mong Salingin ang Sugat Ko (1991). They are most known for their drama films together.