Professor Olive Twist has come to Zinnia, Mississippi, to study a mysterious grave wherein lies the Lady in Red, a perfectly preserved and stunningly beautiful but unnamed and unclaimed body. Olive claims she can not only identify the corpse, she can also prove the woman’s scandalous role in the nation’s history. Olive takes it a step too far, though, when she starts connecting elite Zinnia families with the same scandal. Dander up, Zinnia’s society ladies know only one way to handle Olive: They call on the private investigative services of Sarah Booth Delaney.

Sarah Booth Delaney is heartbroken: Her fiancé, Graf Milieu, has decided to move to Hollywood permanently, leaving their relationship in shambles. Sarah Booth has a perfect distraction, however, in the form of the Black and Orange Halloween ball her best friends are throwing in New Orleans. Sarah Booth plans to dance the night away to the swinging tunes of her old flame Scott Hampton's blues band. But just as the party gets going, Scott receives a mysterious message that threatens his life and the lives of his bandmates.

Christmas is just around the corner, and Sarah Booth and Tinkie are preparing for a festive holiday season. After a turbulent season of solving cases, they're ready for some holiday cheer. Sarah Booth and Sheriff Coleman Peters have finally gotten together, and this is the first holiday they're celebrating as a couple. Sarah Booth busies herself with decking the halls and daydreaming about romantic Christmas nights with Coleman. Then her friend Cece Dee Falcon shows up needing Sarah Booth's help.

Private investigator Sarah Booth Delaney and her friends are celebrating New Year's Eve at the party of the year, a smashing Winter White Garden party at the newly renovated King Cotton Boutique Hotel. It's a dazzling success, until Frangelica "Sister" McFee walks through the door. Sarah Booth knew Sister in college, before Sister became a best-selling author and moved to New York, and fame and fortune don't seem to have tempered her arrogance and cruelty.

Dr. Frank Hafner is an archaeologist working on excavating a new-found Native American temple site in the Mississippi Delta. He's also too handsome for his own good, and a bit of a flirt. Oddly enough, it's the first quality that gets him in trouble when he discovers the ritualistic murder of one of his archaeological crew. When Coleman Peters, Sheriff and Sarah Booth's boyfriend, takes Dr. Hafner in for questioning in the murder, the accused doctor hires Sarah Booth to clear his name.