After Korra had unfortunately passed due to unknown circumstances, everyone desperately searched for the next Avatar. However, most Nations' citizens believe that the Avatar Cycle has permanently perished after the inescapable events with Vaatu, the Spirit of Darkness and Evil. Throughout the years of Avatar Korra's absence, sinister intentions lurked from the shadows, originating from both Benders and Spirits.
Ryoko is a young Firebender unacknowledged with her power. Along with her brother, Rou, they experience and explore first-hand the new world which they'd been isolated from ever since they were children. However, someone is introduced and causes their entire life to collapse by its last stable pillar.