There's a moment in which this mystery man seems to contemplate the pros and cons of the fun of fucking with people versus the pain in the ass of dealing with what might turn into a street-wide conflict, during which Jae keeps quiet and just gives him a wary, but plainly annoyed, look. Finally - "Yeah, we're fine." He shrugs, leaving Jae and Njoki alone.

A beat, and Jae looks over at her, his guard right where it was. "Thanks," he says, but it's pitched a little bit like a question - what the hell did he walk into, by accident? Did he just swap one potential mugger for another?