Vettri joins a detective agency and is assigned a series of subjects to observe. He falls in love with Madhusree, one of his targets, and just when everything seems to be going fine, Vettri's subjects start dying mysteriously. Can he save Madhu before it is too late?

A psychiatric doctor is infatuated with a psychology student and turns into a psychopath!

Devasena decides to marry Prabhakaran after she gets a marriage proposal from his family. When she learns that she is chosen to marry his elder brother, she vows to take revenge on him.

Mathew is a graduate in software engineering, but is now jobless. He is waiting for his good time to get a good job. Mathew has borrowed some money as loan. Now he cannot give it back as he has no job. Mathew's childhood friend Jeena Johnykkutty is ready to help him as she could. She has a job. Her father Johnykkutty does not like Mathew and he always tries to trouble Mathew whenever he gets a chance. At this time Mathew's good time arrives; but along with it many problems too. The gripping events that follow plot the rest of 'Neram'.

Satish, a newly appointed medical representative, who is basically a family man, living with his brother an auto-rickshaw driver. Sathish is always embarrassed about his mobile phone, and much to his delight picks up a phone which is left carelessly by its owner at a tea shop. The mobile phone gets him into trouble and his carefree life with girlfriend Naveena turns upside down.

Sanjay wants a wife who is educated but traditional. Unfortunately, all his attempts to impress the two girls of his choice fail. Later, his colleague Anu enters his life.

Gautham and Nithya become friends after their respective partners ditch them to get married. Friendship turns to love for Gautham but things turn complicated when Nithya gets engaged to Raja. She calls off the engagement but now, he is in a rebound relationship with Kavya. Will the two express their love for each other?

It's love at first sight for Mugil when he sees Megha. She starts reciprocating his love but one day, Megha goes missing. What's happening?

Surya is an easygoing laidback guy who constantly switches jobs. One day, he accepts a job from his former employer at a security agency, who offers him RM3,000 for a 2-day and 1-night job as security guard at a soon-to-be shut down shopping complex building. Maniam, the former Head of Security, gives Surya a tour in the building and tells him that the most suspicious and dangerous place he should avoid is the sixth floor, which is currently rented by a religious yoga group led by `Swamiji` (priest). They are up to no good as they plan to summon and trap spirits in dead bodies so that they can control them. When the door to the spirit world is opened, dozens are possessed and turned into flesh eating Zombies. The only way to stop the Zombies is to get the Black Magic Book located on the sixth floor.

A gang of four drug dealers hides out in an apartment, and four youngsters, who are in need of cash, plot to loot their money. A suspended cop, who resides in the same apartment, hears their plan and decides to get the money for himself.