The episode centers on (affectionately nicknamed "Volleyball"), who seeks help from Steven to heal the crack over her left eye. Steven's attempt to use his healing powers fails, leading him and the original Pearl to travel to the Reef , an ancient Gem restoration facility. The Steven Universe: Future Recap on TV Tropes notes that Steven's confusion grows when his healing spit—which can repair physical cracks—has no effect on her. Psychological vs. Physical Trauma
: She views Pink Diamond’s "tantrums" as accidental or just a byproduct of her power, justifying the abuse because Pink "didn't mean it." [S1E4] Volleyball
: Steven learns that he cannot simply "fix" everyone, especially when the damage is emotional rather than physical. Psychological vs
: Having known a later, more "evolved" Pink Diamond (Rose Quartz), Pearl is horrified to learn about the violence of Pink's early years. more "evolved" Pink Diamond (Rose Quartz)