A few individuals in the medical profession are murdered or kidnapped, and the cop investigating the case suspects a doctor and arrests him. But is he the one who is behind these crimes? And why are they being committed?
| Actor | Role |
|---|---|
 VijayVetrimaaran/ Vetri/ Maaran | Vetrimaaran/ Vetri/ Maaran |
 S. J. SuryahDaniel Arockiaraj | Daniel Arockiaraj |
 Kajal AggarwalAnu Pallavi | Anu Pallavi |
 Samantha Ruth PrabhuTara | Tara |
 Nithya MenenAishwarya Vetrimaaran | Aishwarya Vetrimaaran |
 SathyarajRathnavel | Rathnavel |
 VadiveluVadivu | Vadivu |
 Sathyan SivakumarManiyan | Maniyan |
 Kovai SaralaSarala | Sarala |
 Hareesh PeradiDr. Arjun Zachariah | Dr. Arjun Zachariah |
 Misha GhoshalTara's Friend | Tara's Friend |
 Yogi BabuNolan | Nolan |
 RajendranHealth Minister | Health Minister |
 Kaali VenkatAuto Driver | Auto Driver |
 DevadarshiniNurse | Nurse |
 Surekha VaniNurse | Nurse |
 Sangili MuruganSalim Ghosh | Salim Ghosh |
 Boxer DheenaPrisoner | Prisoner |
| MM.KamarajKaasi | Kaasi |
 Mamilla Shailaja PriyaTara's Mother | Tara's Mother |
| Kaali VenkatRickshaw Driver | Rickshaw Driver |
 SenthikumariNot listed | Not listed |
 Abdool LeeNot listed | Not listed |