This is a Saints Row: The Third modification that will make the ladies in the game lose their clothing. Dancing about isn't mandatory, but it is highly suggested.
1. First Make a back up of the original files: (outside the cache files directory)
2. Launch steam and Disabled the auto update of Saint Row The Third
3. Copy the files from the zip into:
C:\Program Files (x86)\Steam\SteamApps\common\saints row the third\packfiles\pc\cache