"This one?" Chrissy asks, pointing at it again to be sure it's the correct one. There are so many keys, after all, and it would be easy to mistake which one he's referring to. She sees it, though, the way it sparkles when her fingers brush it, and she knows he has to be right. The others aren't glittering like that. With a rush of excitement and a sharp intake of breath, she carefully takes the key from its hook on the wall, then holds it out to him.

"Here," she says, her smile bright and eager. "You try it."