The group of best friends from their days back at East Great Falls High reunite for the next great sexual adventure in their lives... a wedding with Stifler orchestrating the correlating social event... the bachelor party. Jim proposes to Michelle and she accepts. Now their families are looking forward to it as is Jim's friends, Kevin and Finch. They do their best to keep Stifler from knowing but he does and all he sees is the bachelor party that goes with it. However Jim is more concerned about whether or not Michelle's parents will like him and he is also worried that he can learn how to dance before the wedding.