The clock is ticking, and for Margot, time has just run out. Margot Remington exits the wood-lined boardwalk at Moonstone Beach and pedals her bike onto the highway. It's dusk, and the sky has started to grumble, the clouds shifting and bending as they turn a melancholy shade of gray. Rain is coming. Margot can smell it in the air. But after the argument she's just had with her sister, she isn't ready to return home just yet. Glancing...