This movie is about a guy who suffered an exident and every morning when he wakes up he can't remember what he has done the day before that.And then he tries to make some notes so he can remember.His dog's name was Baby and that dog kept something that was very important in his collar.

Clean Slate (1994) (http://www.imdb.com/title/tt0109443/)

Thank's that's it! :)

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