Embedded with fierce action and intense emotion, this courtroom thriller boldly depicts the complex events in the life of Lal Krishna Viradiar (Suresh Gopi), the enigmatic criminal lawyer with an even more enigmatic mission. Lal Krishna helps out hardened criminals to escape punishment from the system of law, by proving lack of evidence of their crimes, but later, he pursues and takes them out in a bizarre show of vigilant justice.
The film begins with the acquittal of Isra Khureshi (Baburaj), accused of raping and killing Rasiya, his Arabic teacher. Isra Khureshi calls up Lal Krishna Viradiyar, his lawyer, asking him to come to meet him at an isolated place for a celebration. Lal Krishna arrives at the spot and kills Khureshi, claiming that its his duty to wipe out evil forces to maintain the cosmic law.
He, then kills David Rajarathnam, a Tamil businessman, who was accused of raping his own daughter. Jagannivasan (Biju Menon), the superintendent of police is suspicious of the moves of Lal Krishnan, and is following him for long time. It was then, the case of case of Mirchi Girls, a band of spoilt, rich NRI girls, reaching him.
They are the main accused in the murder of Chinthamani (Bhavana), their college mate, an innocent girl from conservative back ground. Viramani Varier (Thilakan), her father is fighting hard for justice and is represented by Kannayi Parameshwaran (Saikumar), a public prosecutor, who is famous for his unique style of argument.
After a long court battle, Lal Krishna succeeds in bringing the judgement in favor Mirchi Girls. LK finds out that it was none other than Kannayi Parameshwaran, who has committed murder of Chinthamani, while attempting to rape her. Lal Krishna, in his own violent way kills Kannayi to deliver justice to Chinthamani and her old father Viramani Varier.