Kaththi (2014) on Netflix

Plot summary

Kathiresan, a prisoner in Kolkata, escapes and makes his way to Chennai, where he plans to travel on to Bangkok with his friend Ravi. He lingers after falling for Ankitha. When he and Ravi see Jeevanandham, a man who looks like Kathiresan, shot by thugs, they take him to a hospital and Kathir assumes the injured man's identity to escape the police. Under Jeeva's name he and Ravi enter a retirement home that Jeeva runs, meaning to take money from it for the trip. There Kathir learns what Jeeva has been fighting for: Jeeva, a hydrology postgraduate from Thanoothu, a village in Tirunelveli district, found groundwater beneath village land, until a businessman named Chirag tricked the villagers into handing over their land for a factory. Moved by the cause, Kathir throws himself into it under Jeeva's name.