"Sophia, sandals off, was standing at the water’s edge. The bay snuck up to swallow her toes. Gray salt water over bright skin. “Don’t go out any farther,” Alyona said.The water receded. Alyona could see, under her sister’s feet, the pebbles breaking the curves of Sophia’s arches, the sweep of grit left by little waves. Sophia bent to roll up her pant legs, and her ponytail flipped over the top of her head. Her calves showed flaking streaks of blood from scratched mosquito bites. Alyona knew from the firm line of her sister’s spine that Sophia was refusing to listen."