Graced with a velvet voice, 21-year-old Violet Sanford heads to New York to pursue her dream of becoming a songwriter only to find her aspirations sidelined by the accolades and notoriety she receives at her "day" job as a barmaid at Coyote Ugly. The "Coyotes" as they are affectionately called tantalize customers and the media alike with their outrageous antics, making Coyote Ugly the watering hole for guys on the prowl.
When actress Sarah Marshall dumps aspiring musician Peter Bretter for rock star Aldous Snow, Peter's world comes crashing down. His best friend Brian suggests that Peter should get away from everything and to fly off to Hawaii to escape all his problems. After arriving in Hawaii and meeting the beautiful receptionist Rachel Jansen, Peter is shocked to see not only Aldous in Hawaii, but also Sarah.
Everyone has 'moved on', except for Sherman and Jim Levenstein's still understanding father. Little Matt Stiffler wants to join his older brother Steve's business and, after everything Matt has heard from Jim's band-geek wife, he plans to go back to band camp and make a video of his own.
Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships. Unfortunately, their warped views and precarious judgments often lead them to trouble, creating a myriad of uncomfortable situations that usually only get worse before they get better.