"Edith Keeler Must Die."

I've had the idea to do this all summer, but was busy with other things and didn't get around to it. Frankly, I'm still busy with other things, but I decided to take a couple of hours to get this out of my system last week. It's ink and digital, but I plan on making it into a limited edition screen print when I can find the time. If you could figure out what it pertains to without looking at the title quote, kudos! — you are a major Star Trek : TOS fan! Poor Edith....