本剧改编自Jo Bloom备受好评的同名小说。故事以60年代伦敦为背景，当时极右法西斯主义正在崛起。女主Vivien Epstein爱上了反法西斯联盟「62 Group」的一员，她 放弃了在曼彻斯特舒适的中产阶级生活，随着爱人步入危险，加入伦敦的反法西斯斗争。为了自己的信仰和所爱之人不惜一切代价，Vivien决定在法西斯份子身边当卧底。
When Joni was 14, her best friend Gracie Darling disappeared during a séance. Some 27 years on, the local kids in a small town get their kicks with a game of ‘Playing Gracie Darling’ – but the seemingly innocent game turns sinister when another girl disappears. Joni, by then a child psychologist, returns to the town and partners with a police sergeant Jay to uncover the truth, while Gracie’s sister Ruth faces a mother’s worst nightmare when her own daughter vanishes under hauntingly similar circumstances.
乔尔·拉撒路（山姆·克拉弗林 饰）的父亲乔纳森·拉撒路博士（比尔·奈伊 饰）自杀身亡，他很快就被卷入了一系列谋杀悬案之中，同时他还在努力揭开父亲之死和25年前妹妹的死亡之谜。
