A couple having sex in a field stumble upon a body next to a car. The body is found to be Tejinder "Paul" Singh, an NRI, who is in India to be wedded in an arranged marriage to Veera Soni. His best friend, Liam Murphy, who was with him the previous night is missing. SI Balbir Singh and his asst. Garundi are assigned the case. The car seems to have visible damage to one side and they find out that Paul was involved in an accident with a truck. While interrogating Pauls family, Balbir and Garundi find out that there is land dispute between Paul's father, Satwinder "Steve" Dhillon and his uncle Maninder "Manna" Dhillon. Manna's son Happy is seen to be nervous around the policemen. They also come to know that Veera had an obsessive ex boyfriend, Saakar who had trouble with their break-up.

Balbir has a contentious relationship with his daughter, Nimrat who blames him for her mothers suicide and herself has left her husband Raman and is living with Balbir with her son, Golu. Garundi lives with his brother Jung and his sister in law Rajji, with whom he is shown to be having physical relations. Balbir also supports his former informant Nopi's wife, Indira and there seems to be a mutual attraction between the two. He is often seen to be waiting in his jeep outside her house having a drink. Seeing damage on Paul's car, Balbir and Garundi check CCTV footage and see a truck deliberately trying to run Paul off the road.

A flashback shows Steve assaulting Paul at Liam's house after he cuts his hair as Liam watches and Clara threatens to call the police on Steve. Truck driver Shinda and his cleaner Toti seem to have a secret. Garundi leans on the liquor shop owner and finds out that Paul and Liam were directed to the local drug dealer, Kulli. The coroner, Dr Johal, tells Balbir and Garundi that Paul's throat was slashed but cause of death was blunt force trauma and he also had a cut on his arm from the same weapon used to cut his throat but the wound was made hours earlier. In addition, he informs that someone fellated Paul a few hours before. Truck driver Pramod is seen to blackmail Happy. Balbir and Garundi trace the bus involved in Paul's accident and find that the driver was Pramod who gives them the slip.

A flashback shows Balbir and his wife Taran in a domestic altercation as a young Nimrat watches. A fed up Taran leaves Balbir and tells him that this time she will not be back.

A flashback shows Manna praising Paul while he criticises Happy in front of Liam. The cops take Saakar into custody. On pretext of a flat tire, Shinda tries to kill Toti who escapes. Happy tries to threaten Pramod who beats hims up and then doubles his blackmail ask while taking Happy's gun. Balbir goes to meet Nimrat's ex flame, Karan Gill and asks him to leave her alone. Manna comes home to find Happy beaten up. Kulli comes out of his overdose state to tell the cops what happened that night. When Paul and Liam rejected his heroin offer because they wanted cocaine, an angry Kulli starts to chase them but falls behind. When he catches up he find Paul lying in the field next to his car with his throat slashed. While trying to steal his smartwatch, Paul regains consciousness and a scared Kulli repeatedly hits him with a rock to escape. Toti comes to in a hospital screaming about the white mans blood. The hospital call the police and Toti identifies Liam as the white man. Balbir almost gets intimate with Indira but they are interrupted by Nopi's mother.

A flashback shows Balbir picking up Nopi from his gym and shooting him dead in a desolate area. Balbir tries to interrogate Happy about Pramod but Manna interrupts them. When Manna asks Happy why he tried to hurt Paul, Happy expressed his unhappiness at being dismissed by his father in favour of Paul stunning Manna. Balbir finds Karan at his house, locks Nimrat and Golu in their room and beats him up as Nimrat screams. Garundi uses Shinda's favourite hooker to capture him. Shinda tells them that they ran over Liam as he walked out on the road suddenly in bad visibility. Liam's body is retrieved from the well where Shinda dumped it. Manna returns Happy's gun to him and asks him to careful in the future. Balbir goes to Garundi's engagement party with Golu while Nimrat stays home. Garundi tells Balbir that Pramod's beaten up body was found in a canal. Nimrat tries to commit suicide. Balbir confesses to Indira that he killed Nopi because he owed a politician who got him out the case filed by his in-laws after Taran's suicide.

Garundi searches for Balbir who's empty damaged jeep is found. Assuming that Manna has something to do with Balbir's disappearance, he shakes down Happy. Manna calls Garundi and tells him that abducting cops is not his style and hints that only powerful people like builders are capable of this. Garundi figures out that Karan's grandfather, Shamsher is behind the abduction. He traces Balbir to a farmhouse where Shamsher's strongman, Bawana , has held him and after a shootout with Bawana and his gang, manages to free Balbir. Finding Shamsher waiting as they exit the farmhouse, Balbir has a heart to heart with him and they agree to let their children follow their hearts. Balbir informs Steve, Jassi and Clara about Dr Johal's findings which sends Steve into a rage. Clara tells Steve that Paul and Liam loved each other but Paul could never tell Steve because he would have flown into one of his rages. Steve and Jassi are shocked at the news. Saakar is released and he tries to reconnect with Veera who tells him that he needs to move on as she is now engaged to another man now. Balbir gives Karan and Nimrat his blessing. On the way back home. Clara tells Balbir that on the night of the murder Liam left her a voicemail which she got later. After listening to the voice mail, Balbir reconstructs the final moments of Paul and Liam. In the bar the fight with Saakar results in the cut in Paul's arm and Liam picks up Saakar's blade. Paul meets up with Veera after and she fellates him in the car. After dropping her home he meets up with Liam and they find themselves in the field where the two fight. Paul tells Liam he loves him and fellates him but an angry Liam slashes Paul with Saakar's blade. Finding Paul dying from his wound, Liam calls Clara, leaves her a tearful voice message and then walks out on the road in front of Shinda's truck

In a post credits scene, Garundi gets married, Raman takes care of Golu as Nimrat unites with Karan. Veera is seen getting ready for her wedding as Saakar comes to grips with his heartbreak. Steve cries bitterly while holding Paul's wedding sherwani.