This film stars Arjun Sarja and Archana Gupta in the lead roles, while Dheena composed the music.

[1] Inspector Maasilamani alias "Maasi" is an encounter specialist who gets entangled in gang-wars between Naaga and Nandha.

Due to the gang wars, Maasi loses his family, where he decide to payback Naaga and Nanda's gang-wars and also eradicate all gangsters in the city of Chennai.

[2] The title was later changed to Maasi[3] after the lead character and the film's launch was held on 1 April 2009 at a private club in the presence of the members of the cast and crew.

[4] The film's audio launch was held on 26 May 2010 with actor Karthi and Hansraj Saxena of Sun Pictures releasing the disk in a grand scale function.