Lucy lets out a little snort as soon as she hears Wash try to tell Sonia to stick with her. Not that she didn't know that that was the plan, but even when it was presented to her she was pretty sure it wasn't going to work.

She smiles back at Sonia, before raising an eyebrow at Wash.

"Looks like you won't get to do this cowboy-style after all."

Her dry tone ought to tell him how little fondness she'd held for the idea of just letting him go off on his own, even if she is aware of the fact that he might well think that she mostly got in his way last time they were on a mission together.