She seemed to be considering it as he advanced. Her grin was playful as they danced back.
When her back hit the wall, the smile faded. "Stop," she said, her voice barely audible. Amid their laughter and joking, it was easy to miss. Her breathing was suddenly staggered. She flicked her wrist back, exposing her palm to him. It was low, out of his field of vision, but it was on level with her breasts, which increased the likelihood of Ollie spotting it.