Mersal is a 2017 Indian Tamil language action thriller film  directed by Atlee and co-written by Atlee, KV Vijayendra Prasad and S. Ramana Girivasan, in charge of dialogue, and produced by Thenandal Studio Limited, thus becoming its hundredth production. The film stars Vijay in a triple role with S. J. Surya, Kajal Aggarwal, Samantha Akkineni, Nithya Menen, and Vadivelu.
The story revolves around two brothers; one is a magician who avenges the death of his parents and his medical crimes and the other, a renowned doctor who charges his patients meager amounts. Principal photography for the film began on February 1, 2017 in Chennai and filming took place in Gdańsk, Poland and Jaisalmer, Rajasthan.
The background score and the soundtrack album were composed by A. R. Rahman, while the cinematography was done by G. K. Vishnu and edited by Ruben.Mersal premiered worldwide on October 18, 2017, coinciding with Diwali, and opened to positive reviews with critics praising Vijay’s performance, AR Rahman’s soundtrack, cinematography, social message, and Atlee’s direction. , but they criticized the cliché of the plot and its excessive length.
It has also received several accolades. The film was a commercial success, grossing ₹ 250 crore (US $ 37 million) worldwide, making it the fifth highest grossing film in South India and Vijay’s highest grossing film in his career at the time. 2017.
The film completed 100 days in theaters on January 25, 2018. The film was released on December 6, 2018 in China by HGC Entertainment. Due to demand, the film was screened in Europe’s largest cinema, Grand Rex, France. The film was screened at the Hainan International Film Festival in Hainan, China and the Bucheon International Fantastic Film Festival in South Korea.
An ambulance driver, a runner, a hospital worker, and a surgeon are kidnapped at dawn, dating back to Dr. Maaran, a Chennai doctor known for treating everyone for just ₹ 5.
Maaran is arrested and interrogated for Ratnavel “Randy”, a police officer assigned to the case. Maaran explains the reason for the kidnappings; All four were responsible for the death of the car driver’s daughter and the subsequent suicide of her wife, Selvi, due to her greed for money and negligence in providing adequate medical care. He gives Randy the location of his hostages, but claims that he had already killed them simultaneously using gadgets.