David’s grandfather Kåre has always been a fearless adventurer, an inventor with fabulous ideas and a collector of memories - but also David’s childhood hero and inspiration source as a director and photographer. When Kåre is diagnosed with dementia, David fears the memories of their life together will be lost. But Grandpa Kåre is not ready to seal his fate, and inspires David to keep on looking for new adventures and memories to keep. Moonwalk with Grandpa is a warm and humorous film, a playful reflection on how new memories emerge as others disappear, shot over a period of 9 years.