Doug Harris is a loveable but socially awkward groom-to-be with a problem: he has no best man. With less than two weeks to go until he marries the girl of his dreams, Doug is referred to Jimmy Callahan, owner and CEO of Best Man, Inc., a company that provides flattering best men for socially challenged guys in need. What ensues is a hilarious wedding charade as they try to pull off the big con, and an unexpected budding bromance between Doug and his fake best man Jimmy.
Some school kids stumble across a briefcase full of money, when they go back for it, they find a body instead. When they bring the police, neither is there, and the police refuses to believe them. Later they discover both were part of an assassination plot. Now they have to figure out how to stop the plot and put the bad guys in jail.
A three-way friendship between two free-spirited professional football players and the owner's daughter becomes compromised when two of them become romantically involved.