The title is a reference to the Chicago character named "Four"
in Veronica Roth's Divergent series.
"In July 2014, Roth revealed that she initially wrote
Divergent from Four's point of view . . . ." — Wikipedia
Other Chicago-related stories — "Raiders of the Lost Code"
(on the recent murder-suicide of two Chicago Jungians)
and the following —
See also Jungian narrative art in
https://redice.tv/news/
on-the-nature-of-four-jung-s-quarternity-mandalas-the-stone-and-the-self .