王琦瑶（郑秀文 饰）与同学蒋丽莉（苏岩 饰）到片场参观，认识了摄影师程先生（梁家辉 饰）。程先生为琦瑶拍照并倾心于她，后来更推荐琦瑶参加“上海小姐“的选举。王琦瑶的风姿不仅使她赢得了第三名，还令掌握军政大权的李主任（胡军 饰）义无反顾的爱上了她。王琦瑶也全身心投入，可是李主任遭到了追杀后便销声匿迹了，王琦瑶倍感伤痛。期间她最好的朋友蒋丽莉也离开上海了。富家子康明逊（吴彦祖 饰）的出现使琦瑶的生活起来波澜，琦瑶更怀上了他的孩子，由于上海局势不定康明逊必须离开，王琦瑶只好用钱买来一段婚姻以换取给予孩子的名分。十年后，她遇到了与自己女儿相仿的男孩老克，并与老克有了一段忘年恋，可是这个年轻人即将要离开上海了…坦率地说，亲爱的，我根本不在乎。（Frankly， my dear， I don’t give a damn.）

一对整日争执不断的夫妻，为了挽救濒临失败的婚姻，他们决定孤注一掷，将他们吵不完的精力与无法对话的夫妻关系，转换成他们组团的一首首歌曲中坦率地说，亲爱的，我根本不在乎。（Frankly， my dear， I don’t give a damn.）

　　65-year-old Ganeshan has completely lost the zest for life after his wife's passing. But the news of his 7-year-old grandson Aadith's visit to India gives him a new lease of life. When all attempts to bond with the superhero fanatic Aadith fail， Ganeshan and his retired friends join in the madness of pretending to be a superhero league. The idea works like a charm. Little Aadith's excitement knows no bounds when he witnesses a secret meeting of this 'league'. Ganeshan is elated to receive his grandson's genuine affection for the first time. But the happiness is short-lived. The very next day a small girl gets kidnapped from their apartment complex. As the police start a preliminary investigation， Aadith turns to his grandfather with a glint of excitement in his eyes. He knows， just like any superhero， his 'thaatha' will solve the case in no time. Left with no choice， the old man turns to his ageing cronies. And thus， with aching knees， weak eyesights and greying hairlines， this League of Super (senior) Heroes is set upon their first mission死亡不是生命的终点，遗忘才是。
　　老伴儿去世后，他为了取悦孙子而组建了一个假扮的超级英雄联盟。当麻烦出现时，他们却不得不在毫无准备的情况下采取实际行动。