[1] The film begins with an honest police inspector taking the convict Tamilarasan into custody from Palayamkottai Central Prison.
Back to the present, the judge decides to postpone the trial and transfer him to Puzhal Central Prison.
Tamilarasan defeats his henchmen, and he reveals to Sathya that he had buried his brothers in a hall that he had built just in front of his house.
Tamilarasan then kills Sathya by burying him alive in the hall, and he decides to become a vigilante who fights against the evils in society.
After directing the film Manase Mounama (2007), R. Senthamil Arasu returned with Mandabam under the banner of Thilaka Arts.
Siniya who was credited as Thejamai in Madurai Ponnu Chennai Paiyan (2008) signed to play the heroine.