What's that pink thing out on the lake? Grace realizes with horror that the distant pink smudge on the water is her youngest sister, Beth, drifting farther and farther offshore atop an inflatable raft. There's no time to lose, and Grace never dawdles anyway. Struggling through the cold waves, Grace gradually closes in on her terrified sister. At that moment, boys are the last thing on Grace's mind. But a boy turns up to assist in the rescue. And he's...