Ranjith Kalidoss(Arjun) is the DSP who is a master in solving intense crime cases. One fine day, he along with his team take up a high-profile case which involves a series of murders. After each murder, the culprit throws a challenge to the police by leaving clues to his next crime. What is his intention behind the series of murders? How will Ranjith and his team nab the murderer?