Mersal (transl. Zapped) is a 2017 Indian vigilante action film directed by Atlee Kumar, who co-wrote the screenplay with V. Vijayendra Prasad and S. Ramana Girivasan. Produced by N. Ramasamy and Hema Rukmani under the banner of Thenandal Studio Limited, Mersal features Vijay in triple roles for the first time in his career. Nithya Menen, S. J. Surya, Kajal Aggarwal and Samantha Akkineni play the other lead roles while Vadivelu, Kovai Sarala and Sathyaraj feature as supporting characters. A. R. Rahman composed the film's soundtrack, while also handling the background score along with Qutub-E-Kripa. Ruben and G. K. Vishnu were in charge of the editing and cinematography respectively. The film follows two brothers, Vetri (Vijay), a renowned magician, and Maaran (Vijay), a doctor who charges meagre amounts for his patients, who try to expose the corrupt dealings and medical crimes of another doctor, Daniel Arockiaraj (Surya), who also happens to be the same person that killed their parents, Vetrimaaran (Vijay) and Aishwarya (Menen).