The story of Acid Factory revolves around five people who have almost lost their memories and they are now kidnapped and locked inside a dungeon like factory. While the five people wake up from a long sleep, they find themselves inside a abandoned factory, feeling claustrophobic and unable to remember the events that happened before they fell asleep. Amidst the confusion there is another twist that two of the five people locked in are the kidnappers while the other two are the hostage.
No one knows which of the two are hostages and which three are the kidnappers, due to this fact there is a quarrel among the group. Tempers start to fly and the vulnerability of each person is at the fore due to the panic situation. Evetually they receive a call from the villainous boss that he is on his way to the factory to kill the two hostages. Now there is utter chaos and terror as they do not know which two are the captives. They now have to do everything within their capacity to escape this hell.
The movie is directed by Suparn Verma and produced by Sanjay Gupta. The music is composed by Bappa Lahiri, Gourov Dasgupta, Manasi Scott and Shamir Tandon. The star cast includes Fardeen Khan, Irrfan Khan, Dino Morea, Aftab Shivdasani, Manoj Bajpai, Danny Denzongpa, Gulshan Grover and Diya Mirza.