Grace is living through every mother's worst nightmare. Her student daughter Abi went away on a dream vacation—and was murdered. Overwhelmed by grief and fighting off old demons that have resurfaced, Grace tries to make sense of it—who would want to kill her beautiful girl? But as she learns more about Abi's life, she realizes she didn't know her own daughter very well. How did Abi acquire all those designer clothes? And what was she doing on those mysterious trips to the city? Grace desperately needs to find answers. But soon it becomes clear that someone doesn't want her digging into Abi's secret past—someone who knows how to use Grace's own weaknesses against her, sending her on a journey to the darkest hell...