Help with AC4, my game save is gone!

So I felt like playing some ac4 for awhile today and I load up steam and click play which loads up uplay and it says that im 25% done with the game but when I launch the game and click on single player my saved game isnt there anymore. Any help would be appreciated.

just a shot in the dark here but if you go to wherever your save files are in your c drive, then right click into properties, then click the previous versions tab, it might restore a previous save point. It might not work but hey its worth a shot ^_^

type My Games into....bottom left windows search bar thing (does it have a name?).... and then just browse through AC4 and hopefully you'll find a folder called saves, enter folder, right click, properties, previous versions tab, click the most recent, see if it works

 

hope this helps ^^