"I'm not going to tell you," she said, rolling over to grab a cigarette from the pack on the nightstand.
Still breathing hard, he paused, trying to etch every detail of her body indelibly into memory. "I know we agreed this was a one night thing, but Jesus, I've got to see you again."
She sighed, rolled out of bed and walked naked into the bathroom.
As soon as he heard the shower running, he rifled through her clothes looking for identification. Nothing.
As he drove away later that morning she smiled seeing that the tracking device was working perfectly.
Thanks to Crap Mariner aka What's His Name, for promoting the 100 Word Story