I can't make you love me, but I can make you leave

"Darla Denman the former Queen of Country Music has trouble on her hands. First, her upstart back-up singer Roxie Jo Jenkins is found dead in her dressing room (one that clearly doubled as a supply closet). Second, her career ain't what it used to be--she's gone from big arenas to run down bars and from first-class jets to fourth-class busses. And yes, to top is all that 4th class bus has broken down just outside of Salt Lick, Texas. Well, someone has to figure out who murdered Roxie Jo, and now it's up to those Domestic Equalizers--Edwina and Debbie Sue to help her out"--