Subhash (Jayam Ravi) is an upright and sincere Sub-Inspector of Police in Chennai. He resides with his father (Ponvannan), mother (Sriranjani), elder brother (Subbu Panchu), his wife, and their twin girls. He is all set to marry his fiancée Anitha (Raashi Khanna). He is new to his job and is assisted by Constable Ramadass (Ramdoss) and SI Chandran (Azhagam Perumal). Subhash cannot stand the suffering of the public and looks for ways to better their lives, and this often lands him in trouble with his superior Inspector Muthukaruppan (Mime Gopi).