A ukulele fanatic, Joann Sfar flies to Hawaii to discover the origin of this mythical instrument. His goal: to flush out the ukulele of its dreams, steeped in history and charged with the famous Hawaiian spirit of the Aloha.
A team of adventurers takes us on an expedition to explore the sea depths all around the world. To reach this goal, they will be surrounded by a team of experts. A fabulous human and scientific adventure that immerses us into the unknown.