How many movies have Cheung Tat-Ming and Monica Lo Suk-Yee acted in together?

They have worked on 3 movies together! Their first movie together was Nightmares in Precinct 7 (2001) while their highest rated movie together was Dry Wood, Fierce Fire (2002). They have not worked together since Escape from Hong Kong Island (2004). They are most known for their comedy films together.