It stung. Derek hadn't expected her to be pleased, but he hadn't expected Laura to lash out at him.
"You think I don't know that? You think I don't know who she's related to? But she's not Kate, Laura," he insisted. "I know I can't say anything to make you see that. And I understand why you don't want to be around her, but if she goes...I go."
It was out. Not a threat. A declaration.
He snorted lightly. "Not that you would care, what with your precious baby beta."