Pink Diamond's original Pearl, nicknamed Volleyball, has a crack on her face that is impossible to heal, even after Steven and Pearl take her to the Reef, a Pearl repair station. At the Reef, a new conflict ensues when Volleyball explains how Pink Diamond caused the crack.
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?