Catherine stared out the window as the car sped through the darkening evening. Sean was silent, and his knuckles were white on the wheel. She stole glances at him out of the corner of her eye, wondering what he was thinking.

She bit her lip and tried to focus on the grassy landscape, but she couldn't forget the scene in the Blair living room. Was it true that she and Sean didn't have a marriage certificate? Were they legally married or not? She knew she'd never signed one, but the Blair family ...