Please HELP !! I have tomorow a conference to give and I lost the entire content of my prezi : http://prezi.com/7ikvicvvqzwg/ HELPPPPPP !

I was deconnected but all was saved before. When I reconnect, my prezi got blank... the BIG BIG PROBLEM is that I have to give a conference tomorow morning (France) on July 30th with this prezi !! Here is the link : http://prezi.com/7ikvicvvqzwg/
Please can you save me of this terrific catastroph ???
THANK YOU A LOT IF YOU CAN !!!