Star-Core rules! Hey, they sure hate the movie here on IMDb. Nothing's been proven yet, but common sense tells me this is it.
Thank you Star-Core, thank you IMDb, thank you I Need to Know, and to the guy who directed me to I Need to Know in the first place, thank you.
Star-Core, I notice you everywhere. Please keep an eye out for my next question to be posted real soon, but now, off to the seller site!!!!!!!
Getting rid of a mystery is like healing a wound!

Yet another victory for you, "Dangerous Babes" I would not have known about. Searching on the seller sites, well, Night Club is a generic title.
By some stroke of fortune, I can get the 12 movie set (wow, I thought, gonna cost the earth!) for the price of about 2 brand-new new release regular-store DVDs. It's in my cart.
Thanks, Star-Core. It will take me a while to actually get it. But this one will be dedicated to you.

Very hard to find much info on this movie. If you google "Night Club" "Elizabeth Kaitan" and select 'Videos' you can find clips, mostly of the sex scenes. Be warned though, they all seem to be on porn sites. But the scenes are all softcore.
You can get it on DVD, on this boxset:
https://www.amazon.com/gp/product/B004ZJ9W3S/
Reviewed here :
http://www.rockshockpop.com/forums/content.php?1782-Dangerous-Babes-12-Movie-Collection
Go ahead and look. I hope you like what you see!

I was inspired by the success of that poster looking for the abduction movie that turned out to be SWEET HOSTAGE, and I think you solved it, Star-Core.
I haven't checked up yet, and the name doesn't ring a bell, NIGHT CLUB, really? But you've obviously solved it. If so, I will praise your name as long as I live. The odds are that you did, that summary could be it.
And then I'm gonna search for it on a seller site. If you have any access to it, please share info.
Off now to Google.
Most exciting bit of news!

This review explains the plot :
www.efilmcritic.com/review.php?movie=6598&reviewer=1
Elizabeth Kaitan is his wife, Beth. She's also his imaginary mistress, Liza.
The fact that it took me until the last ten minutes of the movie to figure this out is less about my lack of cinematic perception and more about the fact that whoever wrote this phlegmatic garbola would have a hard time figuring out how to spell 'script editor'.
Go ahead and look. I hope you like what you see!

Night Club (1989)
?
Go ahead and look. I hope you like what you see!