The movie is relatively a tribute to the Bollywood industry & many of the jokes all through the film can simply transpire understood with former familiarity of the old movies or else actors.
Prearranged within the 1970’s, Om Prakash Makhija (Shah Rukh Khan) is a junior artiste within the film industry. He and his buddy Pappu (Shreyas Talpade) are demanding to develop into huge heroes one day. Om’s mother, Bela Makhija (Kirron Kher), inspires and encourages her child to turn into a hero. Om’s entire family tree consists of junior artists. Om’s love attraction is the country’s heart thud and the star of the film, Dreamy Girl, Shantipriya (Deepika Padukone).
Throughout the Dreamy Girl premiere, the pallu (scarf) of Shanti’s sari gets intertwined with Om’s hand. Pappu steals an exclusive pass that belongs to Mr. Manoj Kumar to watch the premiere, but comprise to run away as soon as the real Manoj Kumar appears. While being dragged away of the theater Om manages to grasp Shanti’s attention and he swoons under her stare.(He does this a lot).
Throughout the shooting of film during which Shanti stars and Om is an addition, the place catches fire into an unrestrained way. Shanti is trapped inside the place and Om rescues her, hurting himself. Following the event, Shanti comes to thank him personally, and incidentally she overhears Om’s affection in favor of her. They grow to be excellent acquaintances. Pappu says to Shanti that Om is a large superstar of south India film industry, and even calls her to watch him through a shoot. A hilarious incident of Om fighting the bad guys & a stuffed tiger within authentic South Indian form being shot by a fake crew occurs. However, the fact is revealed to Shanti that he is really a junior artiste and not a huge star. She tells him that she thinks that he is a star to her, and he can ask her to carry out everything he wants, but leap into a fire. He asks her to use one late afternoon collectively.
Shanti comes to greet Om hidden inside a Muslim woman’s burkha. Om asks Shanti to bring out her hand and ask in support of love to anybody she loves. Following that day of the week they often join each other. After that period Om manages to pass security and tries to come across Shanti inside her dressing area. He overhears that Shanti is already married to the producer Mukesh Mehra (Arjun Rampal). Mukesh originally says with the purpose of he wants to keep their matrimony under wraps since a married heroine is not conventional inside tinsel town. Mukesh furthermore tells Shanti that he cannot officially agree to this for the reason that a rich entrepreneur is financing his future film Om Shanti Om on behalf of which he requires 40 lakhs rupees. The fact is he is getting married to the daughter of the entrepreneur. Shanti at that moment reveals that she’s pregnant & Mukesh is overwhelmed. Om gets brokenhearted and tries to stay away from Shanti.
One night while Om is sitting close to a film set of Om Shanti Om he finds Mukesh and Shanti driving inside to the film set. Unknown to them, Om creeps into the film set and sees Mukesh telling Shanti with the purpose of he has determined to cancel the film and he is ready to uncover his matrimony with her to the community. He furthermore tells Shanti that he will demolish the film set once they engage in a wedding ceremony on it. Om hears all of this and leaves, unable to hear anymore.
Once Om is finished, Mukesh changes his behavior and he holds Shanti accountable representing his economic loss and sets fire inside the stage set of the film. Om sees Mukesh departing away inside his car & Shanti trapped inside, crying in a daze for help. He tries to help her, but Mukesh’s security guards beat him up. Even following the beating, Om tries to save Shanti by disappearing into the film set, but within vain. A blast occurs Om is thrown outside and he sees the film set explode, murdering Shanti. At the same time as he runs in support of help, he is crash into by a car owned by Rakesh Kapoor (Javed Sheikh), a well acknowledged actor who was rushing his pregnant wife to a hospital. Rakesh takes him to the hospital, but Om dies.
The film moves 30 years on following the unpleasant incident. Om is reincarnated being Om Kapoor, child of Rakesh Kapoor, who was born exactly afterward Om Makhija dies and has a burn spot like the Om sign on his wrist (where Om had a tattoo). He is seen being a rising star, a star’s child, and a rich brat, who is additionally acknowledged being “OK”. Throughout the shooting, Om freaks out for the reason that of the special effects fire eruptions & it is revealed so as to he is terrified of fire.
Om Kapur sees Om Makhija’s mother running alongside his car. He does not recognize her yet but she recognizes him. Deciding to move on top of a brand new film project, he has his assistant fix up a shoot intended for the next daylight. They select the same burnt studio and film set of the old Om Shanti Om. As soon as he sees it, Om gets the feeling so as to he has been present previously. While Om visits the burnt film set, he remembers everything approaching his previous life. The Film fare Award ceremony follows, during which Om wins greatest actor. In the course of the gathering that follows, he meets Mukesh currently Mikey, who has been a prevalent Hollywood producer in place of the previous 25 years.
Om goes to come across Pappu and Bela, Om’s mother. He decides to reconstruct the film Om Shanti Om with Mukesh being a way to catch him into confessing representing his crime. Throughout the interview in support of the role of Shanti, the crew meets Sandy otherwise Sandhya, a look-a-like of Shantipriya who swoons the same way he used to swoon each time he saw Shanti.
Sandy is at that moment taught to stroll & speak like Shantipriya. Om lashes out on her once she starts laughing while she’s reciting a serious dialogue. He at that moment reveals the story to her & Sandy at that time says that she would’ve believed him anyway since she loves him.
Om at that time takes Mukesh to the burnt film set (where he killed Shantipryia) to announce the establishment of the film. Now, Om tries to re-enact the entire murder with the help of the new-found cast of Om Shanti Om with a adolescent performer who Mukesh often looks on with lecherous intentions. Sandy often appears to make Mukesh believe with the intention of Shanti has turned into a ghost & he begins to believe so as to he’s up for grabs crazy.
Later on by the launch of its song publication, Om does a song & dance digit where he reveals the entire story. Suddenly a chandelier hits Mukesh’s skull, making him unconscious. Later he wakes up, he finds in attendance is no individual inside the film set aside from him and Om. Om faces Mukesh and they started fighting. Mukesh reveals that he knows concerning the idea & his fake Shanti. Sandy appears and starts to verbalize lines which were not part of their design, lines that no one knew approximately. She reveals with the purpose of Mukesh came back following burning the film set to take carefulness of her body and buried her underneath the set’s floor even though she was still alive. Om realizes that she is in fact Shanti’s ghost once Sandy & his acquaintances burst through the front entrance.
The ghost Shanti murders Mukesh by making a chandelier fall on him. By the last part, Om sees the ghost of Shanti tearfully offer him good-bye. She and runs up the stairs and disappears. It is disguised with the intention of Om and Sandy (who was by no means the reincarnation of Shantipriya) develop collectively within the ending.