The Enterprise is tracking a stellar core fragment in the Moab system when they discover a colony of genetically engineered humans.

https://youtu.be/52BebjqY5Os

The fragment of the neutron star is gonna tear up the planet if nothing is done to avoid it. How are there genetically engineered humans on the planet? Where did they come from? No one knows and this episode doesn’t either. Oh yeah, and Troi falls in love with the lead guy and most of the story is focused on them.

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