 In the aftermath of the commissioner's attack, Joe Pi from Precinct 9 is transferred to replace Girl One.Despite the antagonism against Pi, both for the place he occupies and his "Ferro-American" heritage, he quickly establishes himself as a capable policeman.After some digging, Peregrine and Jack Phantom discover that Glenn "Bluejay" Garland, the murdered pop star, was connected to the Seven Sentinels.