How many movies have Heidi Ulmke and Silke Morgenroth collaborated on?

They have worked on 3 movies together! Their first movie together was Rosamunde Pilcher: Verlobt, verliebt, verwirrt (2011) while their highest rated movie together was The Woman on the Cliff (2013). They have not worked together since The Engaged Woman (2013). They are most known for their romance films together.