The movie begins with Jaggu played by Anushka Sharma, a journalist student in Belguim comes back to India after finishing her studies. Here she encounters PK played by Aamir Khan who has a unique view of looking at things, which is why she accompanies him on the journey. He eats only carrots and gets his clothes from what he refers to as 'dancing cars' which are basically cars where couples are making out. He is in search of god, and during his journey, he questions the issue of how we all approach god. Religion has become a business these days which is what P.K reveals by asking simple questions that offend the self proclaimed godman, played by Saurabh Shukla. Shukla also happens to be followed piously by Jaggu's father, played by Parikshit Sahni.

With a storyline that has been weaved around the matter of religion in a completely new manner, PK also drops surprises at regular intervals that both shock and please the audience.

Sushant Singh Rajput, who plays Anushka's love interest, has handled his role in the delicate manner that it ought to be handled in. Anushka has done a great job as the reporter who assists Aamir in his journey. We believe her funky haircut and pretty earrings shall become a fashion statement amongst girls very soon.

Veteran actor Parikshit Sahni plays the role of the religious, excessive god fearing and superstitious father to the T. And Saurabh Shukla as the godman has done a brilliant j.