A stranger in the city asks questions no one has asked before. Known only by his initials, P.K.'s innocent questions and childlike curiosity will take him on a journey of love, laughter and letting go.
Charandas lives a poor lifestyle in a small town in India along with his older brother, Bhajandas, and Bhabhi. He is unemployed and commits himself to be a wrestler with Ustad Mastram Pahelwan, who gets him to promise to be celibate until he is 40 years of age.
Two womanizing slackers, Omi and Jai (Rakesh Bedi and Ravi Baswani respectively) attempt to woo the new girl in the neighbourhood, and fail - miserably. Their third room-mate, shy, and a bookworm - succeeds, much to their chargin. The two scheme up comical ideas to split the two lovebirds, so that their secrets and humiliation are not revealed.
Established shrink Neha Kapoor is courted by two suitors, one Raj Kumar or Raja, who claims that he has businesses in the U.S., and by her patient, Bunnu, who is terrified of fire, heights, and water. Things become hilariously complicated when both discover they are rivals, and initially try to out-do; and then even try to kill each other. The saga reaches a climax when Neha asks both of them to accompany her to the Registrar's office for a Court Marriage.
In a hospital on the outskirts of 1920s Los Angeles, an injured stuntman begins to tell a fellow patient, a little girl with a broken arm, a fantastic story of five mythical heroes. Thanks to his fractured state of mind and her vivid imagination, the line between fiction and reality blurs as the tale advances.