Vikram is a newly recruit N.I.A. Officer who is getting accustomed with the nuances of his new job, has to handle his first major case due to ironic circumstances, during the course of which his life takes a drastic turn in all aspects.
When civil engineer Siddharth is arrested for a murder on the basis of a pictorial evidence, cops discover his lookalike Aditya and realize they have only 48 hours to solve the case.
ASP Walter IPS, who plays the titular role as a cop, gets the mandatory, yet routine hero introduction scene when a protest turns violent in Kumbakonam. Later, he takes up the case of a couple who seeks his help to find their newborn baby. Walter suspects foul play when he comes across similar cases, and sets out to investigate the crimes, accompanied by his subordinate Paneerselvam. Meanwhile, the ego clash between Eshwaramoorthi, a leading politician in the town, and Bala, who is considered to be his successor, intensifies. Their ego clash brings Balu's friend Arjun, who is linked to the kids who have gone missing, into the picture. How Walter faces several odds in his attempt to nab a criminal syndicate forms the rest of the story.
A man gets a call from his ex-lover who needs his help to find her kidnapped daughter but during the investigation, all the evidence suggests that she never really had a daughter.
Found frozen and brain-dead in Ladakh, Vasu is brought back to life but with no memories of who he was, until he starts to regain his past and piece it together to find the people responsible for his murder.
A cop who takes charge at a police station in a hill station goes after the reasons behind a few unnatural deaths which seem mysterious like never before.
A real life account of the deadly Nipah virus outbreak in Kerala, and the courageous fight put on by several individuals which helped to contain the epidemic.
While partying with his friends on a night, a young man bumps into a beautiful young woman. What first looks like a one night stand soon turns into a night that he cannot forget.
Balakrishnan is a lawyer who hasn't been able to achieve much in his professional life due to his stammer. His life takes an interesting turn when his brother-in-law entrusts him with a complex case involving a rich businessman.