Loosely based on a real incident, 200: Halla Ho is the story of women, terrorised by a mobster whose gang raped, robbed, terrorised and murdered 300 families for 15 years until he met his nemesis in a young Dalit girl.

A gang has kidnapped a girl and several police officers, including Karthik (Sibiraj), who is attempting to rescue her. During a shootout, one man from the gang and a police officer Arul (Raghav Umasrinivasan), who is a good friend of Karthik, are killed, while Karthik gets injured. He is put out of action and suffers from posttraumatic stress disorder.
Subramani (Idoh) is a trained military dog who has the potential to nab culprits and to decipher a crime scene. After its owner, an army officer, is shot dead, Subramani is returned to the officer’s father in Coimbatore, who is a neighbor of Karthik. The neighbor leaves the town and requests Karthik to provide shelter to Subramani during his absence. Karthik denies the request but provides shelter after seeing Subramani being troubled the small kids in the neighborhood. Karthik learns about Subramani and becomes good friends with it.

College goer Karunakaran (Arulnidhi) finds it difficult to adjust with the society that he lives. As a result, he is unable to control his anger and ends up with trouble. His unpredictable behavior becomes a constant worry for his mother (Sujatha Sivakumar) and brother. A series of incidents force him to leave his hometown Madurai and end up in Chennai. Despite scoring high marks in school, he joins a local arts college in the city and stays in a hostel, where trouble begins. Meanwhile, while traveling from Bangalore to Chennai, Assistant Commissioner Marimuthu (John Vijay), Inspector Rajendran (Madhusudhan Rao), Sub-Inspector Selvam (Balakrishnan), and Sgt/Head Constable Perumalsamy (Krishnamurthy) witness a car accident. When they are about to take the victim (son of a Bangalore-based business tycoon) to a nearby hospital, they come across a huge stash of cash. The policemen kill the half-dead victim and flee to Chennai with the money. The sincere police officer Palaniammal (Uma Riyaz Khan) takes up this case. A cluster of lies, ego clash at the hostel, and family’s ignorance brings Karunakaran into this crime plot. The rest is a racy rollercoaster ride that forms the climax.

Mentalist who can read the minds of others, irrespective of how hard they try to hide details from him. Imagine what would happen if cops choose to use such a man to solve crimes?

Two separate sets of voluptuous women are stalked at different times by a scarred stuntman who uses his “death proof” cars to execute his murderous plans.

A young woman has to defend herself from a slasher, all alone in her palatial estate.

The famous protests against the ‘chappa’ system that was practiced in the Cochin harbor during the 1950s.

A lawyer turns judge jury and executioner and goes after a gang, led by a minister’s son, that threatens women with videos of them.

A man leads an agitation against corrupt politicians and an unethical businessman whose factory has released toxic gas into the air, resulting in a tragedy.

The film plot is made revolving around the robbery by a gang of hackers and cyber criminals on the Independence Day of India.

The ATM Machine, Money, Credit Cards and some other clues in the motion poster reveals that the film is made on a Thriller subject.

On a fine day, one murder, one missing case and an accident case happens on the same day involving inspector Vikram who starts investigating all the three goes clueless with no evidence left behind. What happens next? Does he solves the mystery and succeed in his mission?