What is 'a mother' really? Does Google provide an unequivocal answer? Wikipedia? Friends perhaps? The latter call it 'coming home' or 'someone who’s always there for you'. Now that his sister, twenty-five years after their own mother passed, is expecting her first child, filmmaker Wieke Kapteijns decides to examine the 'mother' concept. For the first time in his life, he has to venture into unknown territory and face up to long-suppressed grief