Three weeks later, when Parker and Cassie rounded the corner in the airport, Erin had five uninterrupted seconds before Parker caught sight of her. She used them on Cassie. Cassie, who was in gray joggers and a hooded Keckley sweatshirt. Cassie, whose hair was piled in a bun on top of her head, or not quite the top of her head—messy and loose, it teetered sideways with every step. Cassie, who made Erin’s heart thump hard against her sternum.
