During their heated reunion, Custas introduces his old friends to Ininia, a girl who is loyal to one of the Brimmed Caps. Suddenly, the young witch binds Coco and Tartah into a promise: The two must partake in the Silver Ever Procession. But to do so, they must conjure up a new spell, and quickly. As the weight of many secrets bears down on her, Coco cannot turn to Quifrey or her friends. When she happens upon Dagda, she sees his chest is marked with a forbidden magic...