Surya (Allu Arjun) is an aggressive soldier in the Indian Army, who suffers from anger management issues and dreams of being posted at the LOC. After getting into a brawl at a local club and attacking Inspector Pradeep Negi (Ravi Kale) and stealing the latter’s gun, Surya uses it to shoot dead a terrorist right when the officer comes to ask for his gun from Surya’s senior, Col. Sanjay Shrivastav (Boman Irani). After being court martialled for indisciplinary action, Surya’s godfather (Rao Ramesh), requests the Colonel to give Surya a final chance, the Colonel agrees on the condition that Surya gets a signature of approval from the country’s top psychologist and the Dean of the Institution of Psychology and Foreign Languages, Dr. Ramakrishna Raju (Arjun Sarja), who happens to be Surya’s estranged father.
In order to fulfill his dream of going to the border, Surya reluctantly agrees, taking up home with Kishore (Vennela Kishore), a passport officer who has been waiting for an year for a similar signature from Dr. Ramakrishna Raju. On meeting the psychologist, both Surya and Raju refuse to acknowledge each other, and rather Raju begins to question Surya’s personal life. Surya reveals to the former about his relationship with Varsha (Anu Emmanuel), who he broke up with when she distanced him on finding of his profession and his disrespecting her uncle (Posani Krishna Murali). Surya, however, gets frustrated, in turn accusing Raju of enjoying himself on listening to Surya’s failures. Raju then reveals about Surya to the entire university. Surya then takes up a challenge from Raju, to control his anger for 21 days and not cause any fights from the following day. Surya, however, beats up a young gangster (Thakur Anoop Singh), when the latter makes a commotion in the middle of the road, who is revealed to be the son of a dreaded gangster, Challa (R. Sarathkumar), the very day before the challenge is to start, as a final fight. In the following days, Surya encounters several situations with Challa and his men, however, being able to control his anger and even becoming used to living within the society, seemingly having reformed. However, things take a turn when he ends up as the sole witness of the murder of Mustafa (Sai Kumar), in the hands of Challa’s son, over a property dispute. He keeps quiet about this, as he learns from the society. However, he is guilt-tripped when a police officer (Raja), who was investigating Mustafa’s murder, addresses him as someone who made a great impact on the latter’s life. Meanwhile, Surya reconciles with his father, returns to his family, makes up with Varsha, and seemingly has won the challenge. However, he addresses his mistake publicly and refuses to take the signature. Having completely realized his err, Surya then attacks and kidnaps Challa’s son, asking Challa to help him find Anwar (Vikram Sahadev), Mustafa’s son, who expressed his hatred against the nation, which he believes did not recognize his father’s sacrifices or his death, and left his home. Surya fears Anwar may follow a wrong path, and both he and Challa set off on a mission to recover Anwar.
On finding Anwar in Mumbai, Surya makes him realize his mistake and warns him not to take the wrong route in life, after which Anwar once again shows his care for his nation. Surya now receives his signature, and a few months later is shown to be standing at the border, hoisting the Indian Flag. #ALLUARJUn#NEWTAMILMOVIE#2018