When Grayson Guillory begins to suspect her power-hungry father, the governor of Louisiana, of murdering her mother with help from her new husband, she finds herself questioning her own sanity. She knows her mother suffered from manic depression, and believes she committed suicide. But then Grayson discovers a video in which her mother accuses the governor of plotting her murder and those bitter accusations strike a chord.

Is it murder or suicide? As she searches for clues to help divine the truth, Grayson fears that she has inherited her mother's delusional illness, and fears that she hasn't. In this world of ghosts and ambiguous facts, no evidence seems final. Grayson is torn between loyalty to the memory of the mother she loved and loyalty to her father, whose charismatic ambition at once attracts and repels her. To make matters worse, her father has hastily married her mother's younger sister, Audrey. And while her father's marriage seems happy, Grayson's own new marriage is faltering under the weight of her suspicions.