Full-time detectives Nick and Audrey are struggling to get their private eye agency off the ground. They find themselves at the center of international abduction when their friend Maharaja, is kidnapped at his own lavish wedding.

Set in a time where all drugs and alcohol are illegal, the only day anyone can participate in the "fun" is on Binge day.

Doug Harris (Josh Gad) is a lovable 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 (Kaley Cuoco-Sweeting), Doug is referred to Jimmy Callahan (Kevin Hart), 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...