Roommates Jesse and Chester, both who have more than just a few cards short of a full deck, are stoner dudes who don't even do their jobs as pizza delivery guys well. They awaken one morning having little recollection of what they did the previous night, due to being wasted. They discover that their kitchen is full of prepackaged pudding, how they got all the pudding they are unaware. From a telephone message they receive, they come to the realization that at some point during the previous night they were at a party at the house of their girlfriends, twins Wanda and Wilma, and that today is their one year anniversary, which they did remember as they already bought the twins gifts. But the worst thing in not remembering what happened last night is that Jesse's car is missing. In trying to find out what happened to the car, they believe they have to recreate the feeling and mindset of last night, meaning getting wasted all over again. In trying to find the car, they, being the types ...