With Steven's condition worsening, he runs away from home and turns to Jasper for help in taking control of his powers. Jasper's training methods prove to be too effective, however, and her rematch with Steven leads to her being shattered. Steven uses the essences of the Diamonds to repair her, and when she reforms, she bows to him as her Diamond.
After saving the universe, Steven is still at it, tying up every loose end. But as he runs out of other people's problems to solve, he'll finally have to face his own. Haunted by the past and lost in the present, Steven begins manifesting new, uncontrollable powers that the Crystal Gems have never seen from him before. What does it all mean, and what does Steven want for his future?