Why, Don, why? Why have an affair with the comely young salesgirl you just hired at your furniture store when you're married to a madwoman who's at home with knives and has a shriek that will curdle your Cream of Wheat? Katherine Heigl stars as Mona Champagne, the housewife who will stop at nothing to hold on to the illusion of a storybook suburban marriage. Repeat, nothing.

Directed by Anthony Burns. With Katherine Heigl, Jordana Brewster, Patrick Wilson, Jim Belushi. Distributed by Vertical Entertainment.

Running time: 1 hour, 38 mins.

Parent's guide: R (violence, language, sexual content, some drug use).

Playing at: AMC Neshaminy.