Vaishnavi (Trisha) is a popular chef in India. Her friend’s fiancé Cotton (Yogi Babu) is stuck in a situation that demands him to go to London to work as a chef, but he is not qualified. He asks Vaishnavi to accompany him to pose as an assistant and help him secure the job. Vaishnavi agrees and travels to London with Cotton and a relative Balki (Swaminathan). They stay with Ganesh (Ganeshkar) and his wife Madhu (Jangiri Madhumitha) and work at a restaurant. Vaishnavi meets Sandeep (Jackky Bhagnani) there, and they fall in love.
One day, on a boating trip in a river, Vaishnavi injures herself and washes off her blood in the water. This triggers the vengeful spirit of a dead woman at the bottom of the river. She possesses Vaishnavi, who goes on a killing spree. Her friends experience numerous paranormal occurrences and find that Vaishnavi is possessed. The spirit turns out to be Mohini (Trisha), a lookalike of Vaishnavi. Meanwhile, Sandeep proposes to Vaishnavi, and they get engaged. They meet Sandeep’s mother Menaka (Poornima Bhagyaraj) and his father Vicky/KVR (Mukesh Tiwari). Mohini is enraged seeing him, and this reminds her of why she was killed.

After losing their first child in an accident, a couple moves to a palatial home, where their young daughter comes under the spell of an eerie spirit.

The movie opens to a prologue, where King Parasbaram (Radha Ravi), ruler of a small rival kingdom and the nine ministers of the great Empire of Vikata Nagaram are on their way to a Chinese consulate’s mansion. They are warmly welcomed by General Wang (Wilson Ng) and courtesan Hong (Vivienne Tseng) once they reach there. The Chinese consulate, headed by Chao Gong Gong (Nickson Cheng), wishes to engage in trade with the people of the Kingdom of Vikata Nagaram and reap the benefits. Thus, the ministers strike a deal with Parasbaram and the Chinese to help them after being promed a huge share of the benefits. The Foreign Affairs Minister of Vikata Nagaram, Nandivarma Rayar (Joe Malloori) objects to this, saying that he doesn’t want to betray the King and his people for money. Chao Gong Gong then orders courtesan Hong to kill him with a poisoned needle from her hair.

13 Aam Pakkam Paarkka is a horror movie based on an unknown book, where the 13th page of the book harbors evil. Whoever reads the book gets possessed by the evil, and threatens to ruin their life.

A man brings his new fiance home to meet his family.

Biochemist Michael Morbius tries to cure himself of a rare blood disease, but he inadvertently infects himself with a form of vampirism instead.

A group of Youtubers who accidentally unleash a 1500-year-old evil that crosses over from the realm of darkness to the human world.

A newly married couple find the perfect apartment in the city, but little do they know about its horrifying past.

The Warrens investigate a murder that may be linked to a demonic possession.

Despite qualifying for armed force, Karthik (‘Jayam ‘ Ravi) prefers to be a traffic cop in Ooty as he believes that such a no risky job would help him get enough time to look after his cute little sister Vidhya (Baby Anikha). Karthik also has a short lived one side love story with Renu (Lakshmi Menon), who is a doctor. When a hazardous chemical in the nearby industry gets leaked, a dog consumes it and turns into a zombie. As the dog bites a watchman, he too becomes a zombie and eventually, the virus spreads rapidly across the town. Can Karthik save his sister and the city ?

The film takes us through a journey where one faces the consequence when two people meet each other. Devathai, who is the daughter of the ex minister Chitravel comes across her first love Kaushik. Meanwhile her elder sister Nithya develops a relationship with her fathers rival Paddi Alandhans son Prakash. A special investigating officer Nagaraj is set to unravel the clues and through his investigation, he gradually realizes that it is not a man, but demonic forces leading to gruesome murders.

A family struggling with loss find themselves at the mercy of an ancient demon trying to destroy them from the inside.