Krack (film)
Krack is a 2021 Indian Telugu-language action film directed by Gopichand Malineni, who wrote the script with the dialogues by Sai Madhav Burra. It stars Ravi Teja, Shruti Haasan, Samuthirakani, and Varalaxmi Sarathkumar. Produced by B. Madhu under Saraswathi Films Division banner and based on multiple true incidents that took place in the states of Andhra Pradesh and Telangana, the film depicts the conflict between a circle inspector and a gangster. The film's narrative style is inspired from 2018 Kannada film Tagaru. After the launch at a formal ceremony on 14 November 2019 at Hyderabad, principal photography commenced on 21 November 2019, and ended on 7 December 2020, with production delays due to the COVID-19 pandemic. The film features music scored by Thaman S, with cinematography by G. K. Vishnu, and editing by Naveen Nooli. Krack was released theatrically on 9 January 2021, and opened to positive reviews from critics. The film was a Blockbuster, grossing 70.6 crore at the box office. and went on to become the highest-grossing film in Teja's career until it was surpassed by Dhamaka (2022). Plot 
Venkatesh narrates that a  note, a green mango, and a nail resemble the fate of three persons who come across a cop. A BBC journalist arrives at a jail in Delhi to interview Saleem Batkal, a convict responsible for Mumbai blasts, but Saleem demands money from the interviewer, which to their astonishment is just . Upon taking it, he tells that he rented a house that is  cheaper than the previous one due to a scuffle between the owner and broker. The house Saleem rents at Kurnool for passport verification with fake details falls under the jurisdiction of Shankar's police station, where Saleem's men have no influence. After a dramatic turn of events, he is caught by Shankar, who notices the details Salim gave are fake. When Saleem tries to warn about his background, Shankar beats him up and arrests him. In Kadapa, Konda Reddy, a highly sadistic goon, occupies the land of a doctor. When Konda Reddy is in a meeting, a girl tries to pluck from a mango tree in his yard, for which he angrily unleashes his dogs upon her. The girl is injured, and her mother files suit on him. The SP calls Konda Reddy, telling that this case might put Konda Reddy in trouble because it will be dealt with by CI Shankar.Konda takes him lightly, but the SP insists him to meet Katari Krishna, who is in the central jail of Rajahmundry. Katari appears as a regular prisoner, but Konda Reddy is intrigued when he learns about Katari's criminal record. Upon asking, Katari narrates his story that he rose to power by creating a bloodshed in Ongole, and is jailed later because of a nail. Shankar is appointed as CI of Ongole, and meets constable Kiran, the son of a constable who used to work with Shankar. Jayamma, a close aide of Katari's, has a habit of going to the cinema on Fridays. Jayamma sees Katari's daughter with Kiran, and gets him grotesquely murdered by appointing men from Vetapalem. Shankar investigates about the murder, while relishing his memories with Kiran. He finds out that Katari was accused for a similar kind of murder a few years ago. At a village fair, Shankar goes to bring Katari to the police station for enquiry, Katari warns Shankar of his background, which irritates Shankar and gets him arrested. Katari is released when Jayamma gets him a bail, but they are stunned to know that his daughter married another police constable. That night at the cinema hall, her boyfriend's leg is accidentally pierced by a nail, due to which Kiran drops her at the house. Unaware of this, Jayamma misinterprets Kiran to be her boyfriend. During their wedding reception, Katari's wife requests the couple to leave the town to be safe. She, however, conspires to kill her daughter's husband. Katari's men attack them at the bus station, but Shankar saves them. A man caught there named Jayamma was the perpetrator. Knowing this, Katari asks his men to kill Jayamma, so that his name does not come out. Jayamma is killed by the time Shankar arrives to arrest her. While chasing the killers, he shoots one of them, but  accidentally kills an innocent bystander. Shankar is suspended, but during his private investigation, he learns that his associate Tilak had killed that innocent, as he was on Katari's payroll. Shankar gets hold of all the evidence against Katari that Tilak has. Katari tries to warn Shankar by attacking his family, but his wife Kalyani, a former police officer, is able to defend them. Shankar rejoins his job and fights with Vetapalem gang members, and kills all of them at the beach. And Shankar tracks down Katari to arrest him. Katari tries to escape by boarding a lorry, but its tyre gets punctured by a nail, and he is caught. After learning this, Konda Reddy makes sure that he does not use the word "background" in front of Shankar, and treats him with respect, but his assistant hurriedly comes and utters the word. Shankar thrashes him and puts him in the same jail where Katari is kept. Saleem, now transferred to that jail, tells them he is trying to seek revenge on Shankar. They both laugh it off. 