Serial Mom - Warum läßt Mama das Morden nicht?

A picture perfect middle class family is shocked when they find out that one of their neighbors is receiving obscene phone calls. The mom takes slights against her family very personally, and it turns out she is indeed the one harassing the neighbor. As other slights befall her beloved family, the body count begins to increase, and the police get closer to the truth, threatening the familys picture perfect world.