4 Years after Avatar Korra's passing, A new Avatar emerges from the ashes. Luca, a boy in Yu Dao has shown his powerful Avatar State after a traumatic breakdown that took her mother's life at such a young age, making him the youngest Avatar to trigger so. Kelsang and Pama chose to take care of Luca, and they both warned him that it won't be an easy task to become the Avatar. However, like always, there are always barriers. Join Luca in his odyssey to become a fully-realized Avatar!