A recently retired English professor discovers a real knack for investigation and cannot help but interfere with the cases assigned to her police detective son.

出身上流社会的茱莉亚（扎威·阿什顿饰）被伦敦黄金单身汉马尔科姆先生（索佩·迪瑞苏饰）拒绝，因为她不符合他对新娘的严苛要求清单上的一项。茱莉亚觉得自己受到了羞辱和排斥，于是找来朋友塞琳娜（芙蕾达·平托饰）帮她报复马尔科姆，…