When Harper and her daughter take the law into their own hands, they believe they have the upper hand. But their plans take a dark turn when they kidn

本剧由BritBox UK和美国PBS旗下的Masterpiece联合制作，改编自《战地神探》主创Anthony Horowitz的同名畅销小说。Horowitz本人执笔剧本，共6集。

希芭·哈特(凯特·布兰切特 饰)是学校里新来的美术老师，她年轻美丽，气质高雅。老教师芭芭拉(朱迪·丹奇 饰)悄悄地关注起希芭，并渐渐和希芭结成好友。希芭把芭芭拉当成密友，向她倾诉年迈丈夫的无趣，女儿的叛逆和儿子的低能。两个女人结为看起来温馨又和谐的忘年之交。