Metal Sonic has gone missing! In his desperation, Dr. Eggman promises Belle the Tinkerer that he'll remove her connection to the ruthless robot if she uses it one last time to find him. Not trusting the mad scientist, Belle agrees only as long as Sonic comes as protection. Backed into a corner, Dr. Eggman concedes with a condition of his own. As Belle and Sonic set out on their quest, they must be accompanied by one of his greatest creations—the artificial intelligence Sage! How will the robotic "family" react to this unexpected reunion? Don't miss Sage's official IDW debut as the next arc on the road to #100 starts here!