'Bang Bang' is about a bank receptionist Harleen Sahani accidentally meets a mysterious charm guy Rajveer Nanda in a online dating. Just a few sayings, she is completely hypnotized by Rajveers goodlooks. Everything is suddenly changed after a series of dangerous turnings. Harleen reluctantly becomes the companion to escape with Rajveer on the road. In this survival adventure, two people belong to the opposing worlds will be forced to do one thing that they have evaded for a long time: the mutual trust. Finally,can that belief stand front dangers?