An undercover officer who handles the missing case is unfolding the mystery behind the crime.

A popular crime novelist’s wife is murdered and he is been interrogated by the Crime Branch special investigation officer. The interrogation leads to various suspects who could have possibly killed the novelist’s wife. But, to the interrogation officer there is more to what meets the eye, until the audience gets to know who done it.

A New York cop and his wife go on a European vacation to reinvigorate the spark in their marriage, but end up getting framed and on the run for the death of an elderly billionaire.

Raja is a Police Constable. He falls in love with an aspiring writer Ranguski. Raja often visits Maria, a Senior citizen who has demanded Police protection as she is an antique collector and possesses many valuable things. Maria and Ranguski live in the same Housing Complex. Raja tries to woo Ranguski by making her prank calls in the name of a stranger and forcing her to love him instead. As Ranguski is frustrated by this, she falls in love with Raja. But to Raja’s surprise, he finds that Ranguski still gets such calls from a stranger. Soon, he too gets such calls and the caller threatens to Kill ranguski. Raja rushes to Ranguski’s home to save her and eventually does., but finds out that the Killer has killed Maria.Circumstances prove that Raja is the Killer and the Police arrest him. Was Raja able to escape and find out who is the real killer forms the crux of the movie., which ends with an unexpected twist.

The princess Arundhati (Anushka Shetty) is a beautiful great-great-granddaughter of the Raja of Gadwal, Mahasamsthan. Arrangements are being made for her marriage. The sweet Arundhati is the first female to be born since her great grandmother and is especially revered in the family. She then goes to Gadwal, where her grandfather resides to visit him. Her grandfather, the head of the family, talks to her with respect as if she were older than him. She receives a misleading phone call in her fiance Rahul’s (Arjan Bajwa) voice asking her to come to the fort of Gadwall, where she faces a horrible revelation. Learning the story from an aged servant maid, Chandramma (Manorama), Arundhati comes to know that she is a look alike of her great-grandmother Arundhati/Jejjamma.

The film starts with Ashok Kumar aka AK (Ajith Kumar) setting bombs in three places and informing the police about them. Before the police arrive, the bombs are set off. AK, along with his lady love Maya (Nayanthara), threatens her old college mate hacker Arjun (Arya), who is forced to hack one system after another. AK then threatens Sriram Raghavan (Aadukalam Naren) by trying to kill his child so that he can extract the truth about black money. AK then murders Sriram. Arjun, who is irritated by the things happening around him, complains about AK’s misdeeds to Inspector Prakash (Kishore). When AK gets closer to achieving his goals, Arjun gives him away to the police, and both are arrested. Arjun is later released after his true identity is revealed.

In 1979, a group of young filmmakers set out to make an adult film in rural Texas, but when their reclusive, elderly hosts catch them in the act, the cast find themselves fighting for their lives.

Supernatural events occurring in the lives of three people cluster to reveal a connection between the trio.

The film opens with a funeral partaking in an apartment where the police are involved saying he doesn’t understand the motive of the murder of Ram. His wife Janani hallucinates about her husband running away. She recalls memories and it continues with a flashback when Ram and Janani were 12th-grade students.
While she was from a middle-class family and Ram at that time lived with his father who was a businessman and his mother. After he saw Janani he helps fix her bicycle (it was raining heavily) but at the same time has a crush on her. He tells his friends Kumaran and Senthil about it they were from different schools but same tuition. One night he and Senthil stalked Janani and was caught by her father as he questioned them both. He slapped Ram and scolded Senthil for lying and warned them. Nevertheless, Ram visits Janani before he could ask she reciprocates his love. Janani’s sister Sumi makes sure her parents aren’t aware their secret love. The story returns to reality while Janani has a teary conversation with her mother about Ram. Soon she slept having a dream about when her family has a visa to go to the US and she had to go. When Ram heard this he decided that she could leave him. Instead of leaving him she appeared near him. He said she burned her passport and her mother disowned with a slap. She then urged Ram to marry her because of their five-year relationship. So he told his mother then urged his father who did agree and gave them a flat.After their marriage, Ram persuaded that her family to come and see her for she felt uncomfortable.He made a promise to not hurt her or allow anyone to. Ram and Janani were pleased with their life and were happy together.

After their wedlock, Bala and Priya encounter supernatural occurring that relates Priya and her dead mother’s mental condition. A man with a special power intersects the lives of the distressed couple lights upon a haunting threat while bearing witness to a divine phenomenon that will change the world.

Anu (Anasuya Kasaba) an aspiring director develops a script on a producer’s request. Twist in the tale arises when the murders scripted in the story start happening in real life. The parallel story is crux of Kathanam.

Catherine finds herself in a web of deception and lies when she finds out that the fiance of her friend Aiswarya might not be as “Gentleman” as he seem.