Synopsis:

Danish Ali ( Farhan Akhtar) is an ATS cop who is grieving his daughter Noorie’s death after she gets shot in a gun-fire exchange between him and some terrorists. Burdened with the guilt, Danish even contemplates suicide. His wife Ruhana (Aditi Rao Hydari) too blames him for losing their daughter and distances herself from him.
Thanks to his reckless act as a father as well as a cop, Danish is suspended for a span. In the meanwhile, he meets an interesting personality, former chess master Omkarnath/Panditji ( Amitabh Bachchan). He is a wheel-chair bound Chess champ who has lost the game of his life. Panditji’s wife is killed in an accident where he loses his legs but his fate gives him a bigger jerk when his young daughter Nina dies a mysterious death.
Panditji soon approaches Danish to look into his daughter’s death case. She is claimed to have died after falling from the staircase at Welfare Minister Izaad Qureshi’s residence. Panditji suspects that it is a murder and soon Danish hops onto this investigation. During this investigation, Panditji is attacked by a mysterious man called It.
Who is It and will Danish be able to track him down and uncover the truth behind Nina’s murder is what the story further unfolds into.