How many movies have Cherry Ngan Cheuk-Ling and Peter Kam Pau-Tat collaborated on?

They have worked on 3 movies together! Their first movie together was Finding Mr. Right 2 (2016) while their highest rated movie together was Concerto of the Bully (2018). They have not worked together since A Witness Out of the Blue (2019). They are most known for their romance films together.