[ Hei hears the thin edge of dread in her voice. Unfortunately he can't do anything to allay it. Once again, he tries to picture a vulnerable young woman, attacked by a powerful predator, at the City's hospital with its pick of sympathetic souls, a Network with an embarrassment of helpful hero types, turning to Korra -- a complete stranger -- for getting her knife back. He just can't see it. It's not a matter of being cynical. His gut doesn't buy it, and he's learnt to trust his gut. ]

There's no Rowena in the City. [ A beat, in which he scans the Network for past and present entries, before he lets his gaze meet hers. ] She may have left. But it's just as likely she never existed. Especially if there's no trace of her on the Network.