Jesse (Ashton Kutcher) and Chester (Seann William Scott) just had a night of partying they'd never forget...if only they could remember. They have no idea what they did, or where they left their car. They do know they have two angry girlfriends, Wilma (Marla Sokoloff) and Wanda (Jennifer Garner), mad because the dudes trashed their house and forgot their anniversary. The dudes also know they have a year's-worth of pudding in the fridge. They'd make their girls happy if they could give them the anniversary ...