In near-future France, rising waters have begun to submerge cities, and a strict security order looms. Narrated once again by a mysterious blue dog, we reconnect with Hans, Groza, her mother, Vinee, and a cast of eccentric, fringe-dwelling characters. Each, in their own way, recognizes the need to learn how to live together once again – ideally, with joy. These vibrant and sharp-witted figures might just be capable of forging a better alternative: a glimpse into the world to come.