Kuppi movie is about the aftermath of the Rajiv Gandhi assassination leading to the final showdown between the investigation team and the killers. The highlight of the film is that, without mentioning Rajiv Gandhi or the LTTE, Here they concentrates on the remorseless ideological stance of Shivarasan and Shubha, plight of Ranganath (Ranganathan in the original case history) and the helplessness of his wife Mridula in following the assassin's instructions.