The film is about a bank robbery committed by Sanju (Emraan Hashmi) and the two other criminals, who after committing the robbery ask Sanju to hide the money safely until things become normal.
After three months when they ask Sanju to divide the looted amount, Sanju refuses to even recognize them. They are given the news that Sanju is suffering from strong amnesia after he met with an accident. They decide to stay with Sanju until he remembers where he kept the money. Sanju lives with his wife Neetu (Vidya Balan).
The trailer reveals that the movie will be full of surprises, entertainment and will give a shuddery feeling to its viewers. Ghanchakkar is slated to release on June 28.