It had been chance that Hippolyta was close enough to hear the tail end of what was being said. She was walking her beat - Christmas time was the worst - and considering what she was going to do for dinner later, when she spotted Kat and a unfamiliar man. At first she thought they must have known each other, but Kat's stance gaze away that she felt threatened instead.
Hippolyta was there quickly, stepping in between the two, setting her glare on the man. "Is there a problem here, sir?"