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. 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 。