Some null space has been discovered and it’s gobbling up shuttles and probes so the Enterprise is sent on a rescue mission to help out of planet of persons with no gender.

https://youtu.be/ldE1ckiHo_U

That’s right, no males, no females. Of course Riker falls in love with one of them and that causes all kinds of problems. The social commentary absolutely beats you over the head on this one.

I summarize the plot and point out and explain all the references so you don’t have to