At a spacious house in Los Angeles, Helene is turning 40-years old and her friends whom include French filmmaker Martine, house guest Sophie, and Lydia throw her a party. But also there is Kate a friend turning 30, and Sadie a Hollywood film agent turning 50. So, all of Helene's, Kate's, and Sadie's friends arrive for the party where Martine films the events with her movie camera and the shocking secrets revealed by Helene's mother Whitney, and her younger sister Nancy whom confide in their interviews about their obsession with food, and their roles in life.
A couple encounters a perverted gas station attendant who threatens them with a shotgun. They take a deserted path in Texas to seek help, but only meet up with a cannibalistic clan interested in helping themselves to fresh meat.
Sylvia's work increasingly takes her away from the three men who help bring up Mary, her daughter. When she decides to move to England and take Mary with her, the three men are heartbroken at losing the two most important females in their lives.
Just north of London live Wendy, Andy, and their twenty-something twins, Natalie and Nicola. Wendy clerks in a shop, leads aerobics at a primary school, jokes like a vaudevillian, agrees to waitress at a friend's new restaurant and dotes on Andy, a cook who forever puts off home remodeling projects, and with a drunken friend, buys a broken down lunch wagon.
Hypochondriac Joe Banks finds out he has six months to live, quits his dead end job, musters the courage to ask his female co-worker out on a date, and is then hired to jump into a volcano by a mysterious visitor.
John McClane is an off-duty cop gripped with a feeling of déjà vu when on a snowy Christmas Eve in the nation's capital, terrorists seize a major international airport, holding thousands of holiday travelers hostage.