Shot Caller - movie synopsis

Successful stock broker who plays it hard and fast gets sent to prison on a DUI murder charge and decides that prison life is a better rush than playing the stock market and also more fun than his family, so he contrives ways to stay inside and game his way up to the top of the white power gang.

That’s the impression I came away with, which makes it kind of a comedy, really.

What did you make of it?