Vettai opens with the childhood brotherly affection between Madhavan and his brother Arya. Director Lingusamy sets up the theme of the story right at the initial sequences: Arya is a daredevil trouble maker while Madhavan is the quiet, fearing type. Madhavan completely depends on his younger brother Arya to defend him whenever trouble comes his way.

When their father dies, and his job as that of a cop is up for grabs, Arya convinces Madhavan to take the job. At this point, it is clear to guess whats coming our way. Arya acts from the shadows and performs the tough cop duties of Madhavan! Meanwhile Sameera Reddy and Amala Paul, who are sisters, fall in love with the duo. When the baddies discover the cop shadow game of the brothers, there is hell to pay. Vettai is all about how the brothers cope up as they try to “hunt” down all the baddies in Tuticorin.

Whats truly different in Vettai is the comedy centric plot, which also qualifies as a different cop story. You could notice light comic moments embedded into the serious sequences, as the plot supports it well. The racy screenplay helps, an expected characteristic of Lingusamy's direction, with the movie moving as fast as his prior commercial hit Paiya.

Madhavan shines with his acting skills, but he looks a bit off beat in the introduction dance number with Arya, clearly not matching up to the tempo. Arya has so many baddies to bash up that there is no dearth of stunts in the movie. Amala Paul is casted opposite Arya, and their chemistry as a romantic couple works well. Sameera Reddy plays as Madhavan's wife and does well. Everyone has scope to chip in with some comedy, which is what works overall in the movie.

For the general audience, they will have to leave behind their logical reasoning if they want to enjoy the movie. There are several cinematic sequences, most of which are unbelievable and illogical.

The background score and songs are just about there, certainly not Yuvan Shankar Raja's best. It is also shocking to note that after the lengthy titles, two songs are thrown in within a period of just 18 minutes from the start of the movie! The dance number Pappappa, which was released as a single track audio, turns out to be the most enjoyable. Crisp Editing by Anthony and flawless Cinematography by Nirav Shah help give a rich look to the movie.

Overall, Vettai is a pure commercial entertainer with a different story and nice comedy. Lingusamy's screenplay and direction ensures that the movie does not seem lengthy. However, the stunt overdose and the highly cinematic sequences are pain points. Vettai just about makes it to a Must Watch!.