The film's protagonist, played by Vikram, is a fascinating character study that showcases the actor's incredible range. His portrayal of Aniyan, a vigilante with a troubled past, is both captivating and unsettling. The chemistry between Vikram and Surya is undeniable, and their performances elevate the film to new heights.

The movie follows Siddharth, a successful event manager who leads a seemingly normal life in Malaysia. However, his life takes a dramatic turn when he meets a mysterious woman named Shivani (played by Priyanka Chopra), who claims to be his wife. As Siddharth tries to recall his past, he discovers that he has multiple personalities, including that of a vigilante named Aniyan.

Aniyan was a critical and commercial success upon its release, grossing over ₹60 crores worldwide. The film's impact on Tamil cinema cannot be overstated, as it redefined the genre of psychological thrillers in India. The movie's success can be attributed to its unique storytelling, memorable characters, and exceptional performances.