Ek Villain is a psychological thriller about a former criminal who becomes a vigilante after his wife is murdered by a serial killer. As he sets out on a path of revenge, he crosses paths with a mysterious girl who helps him find closure. The movie takes unexpected twists and turns, exploring themes of love, loss, and the human capacity for good and evil.

Two men, Gautam and Bhairav, are entangled in a web of love, revenge, and a serial killer's spree. Gautam seeks vengeance against Aarvi, who betrayed him, while Bhairav spirals into darkness after heartbreak. As the police investigate a series of murders, Gautam and Bhairav's paths converge, leading to a climactic battle for love and redemption. Will they find solace or succumb to the darkness within?