A group of friends decide to spend New Year’s day in Mumbai and drive there at night drinking. The friends in question are Aashika, played by Vedita Pratap Singh, Prem, played by Karanvir Bohra, Jacks, played by Joey Debroy, Diya, played by Aparnaa Bajpai and Vivek, played by Vije Bhatia. When stopped by a patrolling car on the way for consuming alcohol, one of the friends bribes the officers and gets away. Later, they encounter a man who warns them not to go any further so they take him to the same patrolling car but find that the officer has been murdered and the strange man has vanished.
Fearing for their lives, the friends drive away and find a girl asking for a lift on the way, they take her in the car but Jacks gets murdered while the rest were out. Vivek gets killed by the girl they gave lift to in the jungle. Diya gets killed while trying to separate from the group. Next Prem reaches a graveyard and gets killed too.
Aashika who is now in hospital gets to know of the girl they gave a lift to was a evil soul seeking vengeance from all the friends for an accident that killed her husband, child and her. Mumbai 125 KM is directed by Hemany Madhukar and produced by Mani Sharma, Nishant Pitti and Hemant Madhukar. The music is composed by Mani Sharma.