It's the dead of winter on Gansett Island, and Riley McCarthy's mood matches the lousy weather as he and his family work to bring their new business, McCarthy's Wayfarer, back to life. He can't deny that he's been in a funk since Nikki Stokes and her twin sister, Jordan, left the island last fall without saying goodbye. Riley, who'd been hired to fix the leaking roof at their grandmother's home, had liked talking to Nikki and had been looking forward...