The USS Enterprise, under command of Captain Nyota Uhura, has been dispatched to cure the disease, and see about closing that market if they can. (They can, command just KNOWS it.)
So Captain Uhura has decided to send her best scientists - her XO Dr Chapel and her nurse, McCoy, as well as Chief Engineer Gaila, for whom this whole "slave" business hits a little close to home.
Unbeknownst to them, the disease isn't airborne - it hibernates in fabric. (This makes sense in space.) And it has some... interesting effects on the crew.
Which is kinda the plot of The Naked Time, except no one is quite reacting the way they did there. Rather than becoming uninhibited, they've become polar opposites of themselves.
I would like to propose the following additional ranks:
Ens. (jg) Pike
Lt. Cmdr. Gaila
Admiral Number One
Hm. There seems to be a pattern there...
So, join me as we try to find a cure, people try to recover their selves, and someone figures out a reason why men are never promoted beyond Lt., but women and non-binarys are.