How many movies have Molly Mackinnon and Valerie Biggin collaborated on?

They have worked on 10 movies together! Their first movie together was Gourmet Detective (2015) while their highest rated movie together was Signed, Sealed, Delivered: Lost Without You (2016). They have not worked together since Aurora Teagarden Mysteries: The Disappearing Game (2018). They are most known for their tv movie films together.