The film is based on the biography of V.O.Chidambaram Pillai written by Ma. Po. Si.(M.P.Sivagnanam). V. O. C , founded the Swadeshi Stream Navigation Company to break the monopoly of the British over maritime trade out of India.
Santhana Devan, a freedom fighter, secretly operates a gang to act against the British government. His cover is blown when his own sister is raped and murdered by a British officer.