Kate gives the two of them a slow-spreading smile, liquid fire licking low in her stomach.

"You've got much better odds up here than downstairs," she says, crawling to Bill's empty side and dipping her head to nuzzle his ear while her fingertips follow his collarbone.

"And you're in great hands here."

She huffs a laugh at his earlobe and lets her eyes flick to Beckett, breath hitching when she sees Beckett's fingertips skating close to his waistband.