The mystery continues around Bree's new husband as he is suspected of cheating on his wife and killing a woman named Monique. The housewives get together to complete the mystery while trying to keep their already crazy individual lives sustained.

Malcolm Turner goes undercover, turning his slick-talking, slam-dunking Southern granny Big Momma disguise into a nanny for a computer company executive who may be concocting a means to hack into military databases. But that's just a pretense to get Big Momma coping with a perfectionist mom and her three kids, who are all dysfunctional in cute and easily resolved ways.