She lets her mind clear, focusing solely on the task. She focuses enough that Natasha's question catches her completely off guard, causing a falter in her motions. Darcy gets a not-so-subtle deer in the headlights look, scrambling for an answer.

"What late-night conversation? I have no idea what you're talking about. Hey - did you know that Loki and I have a truce?"

Well, it's worth a shot.