Every once in a while, we either hear or experience things which cannot have a rational explanation. The truth of the matter is that we have very little knowledge and understanding of life and its various mysteries.
The story of Phoonk demands an answer from you to the question that no matter how much of a non-believer you are, can you truly stand by your convictions especially when you or your loved ones are seemingly been threatened by demonic forces whose every existence your rational mind refuses to accept.
Rajeev, a successful construction engineer with a loving wife, and two children aged 10 and 8, is an atheist to the core. He scoffs at God and even more at people who believe in the dark forces till one day an evil is let loose in his happy home, threatening to destroy his family and shake up the very foundations of his convictions and belief system.