Allie Garvey is heading home to the funeral of a childhood friend, which means seeing the other two people with whom she shares an unbearable secret. Twenty years earlier, a horrific incident shattered the lives of five teenagers, including Allie. They kept what happened a secret, believing that getting caught would be the worst thing that could happen. But Allie has been haunted for two decades by what she and the others did, and by the fact that she never told a soul. The dark secret has eaten away at her, distancing her from everyone she loves, including her husband. Now, Allie stands on the precipice of losing everything. She digs to unearth the truth, but reaches a shocking conclusion that she never saw coming.