The Lifetime Network flick The Good Mistress follows Sandy Annie Heise , a recovering alcoholic having a difficulty dealing with the emotions of killing a kid while driving drunk. With a job offer from her high school friend, Karen Kendra Anderson , Sandy moves to a new town—Shelter Hills—to get a fresh start. The Good Mistress will help you have a good time…with yourself! Made with love in Chicago since ! All Rights Reserved. Toggle navigation.