Sanjay Singhania (Aamir Khan) is a millionaire businessman who has turned into a recluse living at an apartment building. He used to be in love with the mischievous Kalpana (Asin) who has been brutally murdered by Ghajini (Pradeep Rawat). When Kalpana rescues twenty-five children from the clutches of Ghajini, he retaliates by killing her. Sanjay, who had tried to help her, had been hit on the...

Sanjay Singhania (Aamir Khan) is a millionaire businessman who has turned into a recluse living at an apartment building. He used to be in love with the mischievous Kalpana (Asin) who has been brutally murdered by Ghajini (Pradeep Rawat). When Kalpana rescues twenty-five children from the clutches of Ghajini, he retaliates by killing her. Sanjay, who had tried to help her, had been hit on the head so hard that he suffers from short-term memory lasting for only a few minutes at a time. Watch the film to see how Sanjay manages to trap the criminal who had killed the love of his life.