Two weeks shy of his wedding, a socially awkward guy enters into a charade by hiring the owner of a company that provides best men for grooms in need.
 
No review.  Just a quote from the movie.
 
Doug Harris: I want my real life to be as fun as the one I made up!
 
Nuff said.
 
FUN FACT:  This was originally set to be a starring vehicle for Owen Wilson and Vince Vaughn.