Veerasimha Mannadiar gets killed by Hyder Marakkar, a notorious criminal. Thereafter, Veerasimha's brother, Narasimha Mannadiar, decides to avenge Veerasimha's death.

The story follows Abdullah (Mohanlal) who is hired by the members of a wealthy royal family to assassinate the family head Maharaja Udayavarma (Nedumudi Venu). Abdullah comes into the royal palace under the disguise Ananthan Namboothiri, a classical singer, and tries to use this mask to softly kill the Maharaja.

London-educated Saktivelu returns to India and wants to open a chain of restaurants in Chennai. His father, however, wishes that he would stay back and help the villagers.

A tribal boy is shaped by the values of his teacher, who gives him the name 'Bhagat Singh'. He grows up deeply rooted in strong morals, which guide his actions throughout his life.He stands firm against injustice and takes on powerful evil forces, even when facing overwhelming odds.