She used to run a sex line. He used to be one of her callers. They kinda, maybe, a little bit, fell in love. But the world ended before they could become more. She'd pretty much accepted that he was long gone. 'Til she meets a guy with the same name who's carrying around something that look suspiciously like her business card. Coincidence? - 'Explosions' AU. RATED M FOR A REASON!