Level thirty-eight and their first blank wall. Roy runs a pen over the seamless surface until he finds the edges of three wheels, then presses his hands against them and turns. At last, they interlock: one large circle, with two smaller ones atop it.

“Surprised?” says Roy.

Michael finds that he isn’t. “I always knew it was… more than a logo.”

Roy grins. “Hidden Mickeys have power–more than the Cast Members know. There’s a reason we control and track their locations.”

“What power?”

“Passage,” says Roy, “among others,” and when he pushes the wall it cracks into a door.