After sixteen years of marriage and four children, Betty Broderick's high-powered attorney husband decides to leave her for a younger woman with whom he's been having an affair. Hurt by his betrayal and feeling helpless against his legal expertise, Betty begins a campaign of vandalism and verbal assault. Her rage consumes her and ultimately leads to a terrible and violent act.

Meredith Baxter
as Betty Broderick

Stephen Collins
as Dan Broderick

Michelle Johnson
as Linda Kolkena Broderick

Kelli Williams
as Kate Broderick

Stephen Root
as Kevin McDonald

Lori Hallier
as Joan

Christine Jansen
as Susan McDonald

Debra Jo Rupp
as Alice

Tricia O'Neil
as Margaret Fitzpatrick

Ralph Bruneau
as Larry Broderick