How many movies have Mercedes Müller and Sebastian Fillenberg collaborated on?

They have worked on 4 movies together! Their first movie together was Der Irland-Krimi: Die Toten von Glenmore Abbey (2019) and was their highest rated movie together. They have not worked together since Der Irland-Krimi: Preis des Schweigens (2022). They are most known for their crime films together.