As with his first film Raattinam, KS Thangasamy opens Ettuthikkum Mathayaanai with an act of violence. We see a CCTV recording (the year is 2009) of a young man being beaten to death but then the film moves forward the present and we see Natesan aka Natty and his family shifting to Tirunelveli. And for the next hour or so, all that we get are his romance with Sarah, a hostess for the local cable channel. Then, Natty's dad, a cop, is murdered by an unknown gang and the interval twist reveals us that it was Tamizhselvan, the brother of Natty's dead friend Prabha, who also lives in the town. And, ...