Jodie frowns at her ice cream. At first, it's just one of puzzlement - what difference would trying make? Even Aiden feels confused by the suggestion. He knows he's different. He can see things, and move things, but all he could do with an ice cream cone is knock it to the ground.

Then an image surfaces in Jodie's mind, like a bubble rising up through water: Cole, standing straight and limp-armed, his eyes a milky white. Her frown deepens as she lifts her chin to look up at Andrew.

"He shouldn't try," she says with sudden intensity. "It's wrong."