An airline pilot saves almost all his passengers on his malfunctioning airliner which eventually crashed, but an investigation into the accident reveals something troubling.
Before NYC, college valedictorian Ben visits his trailer park loser dad. Same evening Ben argues with Larry about whose dad can kick the other dad's ass. Loser dad hears of this and tries to beat up doormat dad and chaos follows.
The boys return from jail to find the park has deteriorated, with a brand new park being created beside it. They attempt a series of get rich quick schemes and robberies, while a freshly drunk Lahey threatens to derail their plans.