Hoping to bring his family closer together and to recreate his childhood vacation for his own kids, a grown up Rusty Griswold takes his wife and their two sons on a cross-country road trip to the coolest theme park in America, Walley World. Needless to say, things don't go quite as planned.
A small-town news reporter and a Greenpeace volunteer enlist the help of rival superpowers to save three majestic gray whales trapped under the ice of the Arctic Circle.
As a writer named Mike struggles to shepherd his semi-autobiographical sitcom into development, his vision is slowly eroded by a domineering network executive named Lenny who favors trashy reality programming. The irony, of course, is that every crass suggestion Lenny makes improves the show's response from test audiences and brings the show a step closer to getting on the air.