Watch Calling Mother for Free: How to Stream the Movie Online at 123Movies. . Calling Mother is about the moments when you just have to call your mum. It is a compilation of phone calls made by different people to their mothers. Film follows the lifespan of a human being from youth to adulthood, a child changing from a dependent to a caretaker. Phone calls are connected by images of an old telephone center and a story of a young mother who doesn’t have a mother to call.