Jude, Luke, Marc, Paulie and Pete are liberal-minded roommates and grad students at a Iowa post-secondary institution. Every Sunday for the past year, they have hosted a dinner party, inviting a friend over to have an open-minded discussion about whatever topics are of interest. On a dark and stormy night when Pete was supposed to bring a friend for one of those dinners, he instead comes home with Zachary Cody, who rescued a stranded Pete whose car broke down. They invite Zach to stay for dinner instead of Pete's missing friend. They soon find out that Zach is among other things a racist neo-Nazi, which brings up a potentially dangerous situation for Jewish Marc and black Luke. After some physical altercations and verbal threats, Marc ends up stabbing Zach dead out of what he considers self-defense. As the friends discuss what to do about Zach, they finally come to the conclusion that in killing Zach, they have done society a service. So they ponder 'why not invite other ...