Four inmates sell head to head in order to get out of prison, either selling commissary or contraband...oOoOooOOo. Remember that certain prisoners like certain things, and you might just get a little gift. Guards will be watching these interaction, so pick up a card and see if you got caught and what your punishment will be.  Others are doing the same thing, first to 20 money tokens....escapes.

https://playingcards.io/3v25pj