'Chilling...this terrific novel is...propelled by an iron-tight plot that becomes increasingly tense.' --New York Times Book Review 'It's a nerve-shredding, emotionally harrowing ride. Don't miss it.' --Megan Abbott, New York Times bestselling author The USA Today bestselling and Edgar Award-winning author of Never Look Back and If I Die Tonight asks how far a grieving mother will go to right a tragic wrong in this propulsive novel of psychological suspense. Camille Gardener is a grieving--and angry--mother who, five years after her daughter's death, is still obsessed with the privileged young man she believes to be responsible. When her rash actions draw the attention of a secret group of women--the collective-- Camille is drawn into a dark web where these mothers share their wildly different stories of loss as well as their desire for justice in a world where privilege denies accountability. Fueled by mutual rage, the collective members devise and act out retribution fantasies via