Atti(2016)

Atti is a Tamil film following Bava, a water-can seller and Gana singer living in a working-class neighborhood of Chennai. When he accidentally acquires a mobile phone during a street confrontation with a local thug, he becomes entangled in a dangerous web of violence. The phone's rightful owner wants it back, but Bava's attempts to return it spiral into brutal attacks and murder-for-hire schemes. A wealthy builder hires a contract killer to eliminate him and reclaim the device, forcing Bava into a fight for survival. As the stakes escalate, the mystery deepens: why is this phone worth killing for, and can Bava escape the deadly forces closing in on him?