The film follows Arjun (Jayam Ravi), a brilliant but emotionally scarred police officer suffering from prosopagnosia – a rare neurological condition often called "face blindness." He cannot recognize faces, including his own in the mirror. Despite this disability, he is a top crime solver who relies on other cues – voice, gait, clothing, and deductive reasoning.

"Iraivan" is not a perfect film. The climax relies on a convenient twist, and some secondary characters are underutilized. However, as a weekend watch for fans of Ratsasan , Mahanati , or Drishyam , this will hit the spot.

For a 720p release, the WEB-DL source offers negligible artifacts. Dark scenes (of which there are many) do not show macro-blocking. The 5.1 audio is the highlight – rear speakers deliver ambient sounds of crime scenes and rainfall, while the center channel keeps dialogues clear. Note: If you have a home theater or a good 5.1 headset, this version is far superior to 2.0 audio releases. Comparison with Original Tamil Audio The original Tamil track features Jayam Ravi’s own voice and Nayanthara's natural dialogue. In the Hindi dub, professional voice artists – including Sanket Mhatre and Aanchal Mathur – have lent their voices. Surprisingly, the lip-sync accuracy is about 85-90% (excellent for a South Indian dub). Emotional outbursts and sarcastic one-liners ("Tumhara dimaag bhi ek crime scene hai") work well in Hindi.