Actor Aamir Khan, defending his recently released film PK, said that the film's plot is different from director Umesh Shukla's OMG! Oh My God. Aamir's comment came after there were reports that PK filmmakers wanted Mr Shukla to stall his film back in 2012. Actor Akshay Kumar, who was a part of OMG! Oh My God has refused to step into the controversy.