Good Thief Ending Explained [SPOILER!]

SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!

SPOILERS AHEAD

Good Thief Plot Summary and Synopsis

A Detroit-set crime noir thriller about three small-time thieves who rip off a neighborhood pawnbroker of his valuable baseball card collection, only to find out they’ve unleashed something much more sinister.

Source: Wikipedia (CC BY-SA 3.0).