Four couples reunite for their annual vacation in order to socialize and to spend time analyzing their marriages. Their intimate week in the Bahamas is disrupted by the arrival of an ex-husband determined to win back his recently remarried wife.
After a year apart - attending different schools, meeting different people - the guys rent a beach house and vow to make this the best summer ever. As it turns out, whether that will happen or not has a lot to do with the girls. Between the wild parties, outrageous revelations and yes, a trip to band camp, they discover that times change and people change, but in the end, it's all about sticking together.
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.
Nothing gets between Anne Marie and her board. Living in a beach shack with three roommates, she is up before dawn every morning to conquer the waves and count the days until the Pipe Masters competition. Having transplanted herself to Hawaii with no one's blessing but her own, Anne Marie finds all she needs in the adrenaline-charged surf scene - until pro quarterback Matt Tollman comes along...