Anniyan English Outsider or Stranger is a 2005 Indian Tamil psychological thriller film written and directed by Shankar and produced by V. Ravichandran of Aascar Films. The plot centres on a disillusioned everyman whose frustration at what he sees as increasing social apathy and public negligence leads to a split personality that attempts to right the system. Vikram stars as Ramanujam, an idealistic, lawabiding lawyer who suffers from multiple personality disorder and develops two other identities a metrosexual fashion model Remo and a vigilante serial killer named Anniyan. Sadha plays his love interest, Nandini. Actors Vivek, Prakash Raj, Nedumudi Venu and Nassar also feature in the film.

Ramanujam Iyengar, also known as Ambi, is an orthodox Brahmin and a straightforward consumer protection advocate living in Chennai. He expects everyone to follow the law and prosecutes those who violate it. However, his efforts fail as circumstantial evidence always seems to favour the accused. He also fails to raise civic awareness due to pervasive corruption and a general lack of seriousness. Frustrated at his inability to bring about a change in society, his suppressed anger manifests itself in an alterego named Anniyan, a grim reaperthemed serial killer who punishes corrupt and indifferent people. Anniyan creates a website, compiles a list of wrongdoers from his site, and kills them using punishments described in the Garuda Purana, one of the ancient Hindu scriptures.Ambi is secretly in love with his neighbour Nandini, an aspiring carnatic singer, but never expresses his love due to his fear of rejection. When he proposes to her during the annual Tyagaraja Aradhana at Thiruvaiyaru, she rejects him as she cannot bear his strict adherence to rules. Distraught, Ambi attempts suicide, almost drowning himself before having second thoughts. Subsequently, he develops another personality named Remo, a fashion model. Nandini is smitten by Remo and falls in love with him. ........

Source: Wikipedia