Long ago there where was peace in the new republic city with korra doing great thing but unfortunately her time of being the avatar has came to an end. Ever since korra has lost being the avatar and die. peaple wondering who is was gonna be the new avatar. that untill a boy came to alive and discovered that he has all four elements of,water,earth,fire,air,bending. When he was 18 years he went missing to unknown location after. he was fighting amon with his pet. no one knows were the avatar untill now.