Coroner Sarah Linton, Police Chief Jeffrey Tolliver and Detective Lena Adams are an experienced team that has repeatedly solved the most mysterious crimes. But this time it will not be easy for them, because in the case of the “gravedigger killer” there are many more questions than answers. Why did the criminal not just dispose of the body of the daughter of a wealthy and very religious farmer, Abby Bennett, but bury him in an antique coffin? Does he have anything to do with the death of Abby’s lover and the disappearance of her younger sister? And finally, is he sending strange anonymous letters to the police? Sarah , Jeffrey and Lena suspect that the answers to these questions may be to be found in the past of the Bennett family, which hides many dark secrets...