This is basically a user made DLC called Moonpath to Elsweyr for Skyrim where you go to the Khajiit homeland of Elsweyr. Beautiful voice acting/design/sounds and lots of quest/new enemies and def worth checking it out.
If you have skyrim on a pc, here is the download link for the mod if you wsh to get it or read up on it more
http://skyrim.nexusmods.com/downloads/file.php?id=9782