The original Star Trek series addressed current events and broke new ground for controversial topics. Star Trek Continues also is following in these footsteps as the Lolani episode addresses slavery:
Our founding fathers understood the price of freedom: their fortunes, lives and Sacred honor. How many of us today would be even willing to acknowledge that we are living under slavery in a police state? How many of us would even consider the type of sacrifice necessary to break the chains of freedom forged under tyranny?
Here is the complete episode: