Dumb and Dumber
A pair of dumb friends named Harry and Lloyd set out on a cross country trip to return a briefcase full of money to its rightful owner, a beautiful woman named Mary Swanson. However, the duo are unaware of a bigger conspiracy involving Mary and the briefcase, and a pair of criminals involved in the conspiracy attempt to chase Harry and Lloyd down for the briefcase.
From the movie Dumb and Dumber