Ghosts are People Too

Welcome to Castleberry, Georgia where the tea is sweet, and ghosts are everywhere.
There’s nothing like a surprise reunion with your best friend!
But the bag full of cash she brings along, as well as her husband’s corpse sure put a damper on the celebration.
Now I’m stuck solving a murder for which said bestie’s been accused. I know she’s innocent, but I need to prove it without letting my detective love interest discover my secret.
I see dead people.