Deep in the forest lives Millie, a friendly, fearless young girl and her best friend Lou, a clever cautious little cat. Millie and Lou share the forest with exciting creatures, the Forest Folk, all based on mythical folklore. Together, these BFFs are on a magical mission to meet every single one.

Immersed in the spiritual ancestral world, you and two other guides are chosen to accompany Nana Lou on her final journey. On the day her granddaughter Charlotte gives birth in a maternity hospital in Tokyo, Nana Lou has a stroke at home in France. She is in the hospital, marooned between life and death... With your luminous presence at her side, you help her revisit her memories and to pass away in peace.