安妮（阿努克·艾梅 Anouk Aimee 饰）和琼（让·路易·特兰蒂尼昂 Jean-Louis Trintignant 饰）曾经是一对非常相爱的恋人，然而造化弄人，他们的爱情最终没有能够开花结果，两人落得分道扬镳的下场。一晃眼50年过去，已经垂垂老矣的琼患上了阿尔茨海默症，严重的症状令他连自己的女儿也不认识了。琼混沌的大脑里唯一记得的人，只有安妮。

Lynn and Lucy are life-long best friends, their relationship as intense as any romance. Neither has ventured far from where they grew up. Lynn, who married her first boyfriend and whose daughter is fast growing up, is delighted when the charismatic, volatile Lucy has her first baby boy. Lucy, however does not react to being a mother as Lynn expects. Soon, they find their friendship is tested in extreme circumstances.