Sir CP is a story about a fraud college owner who specializes in providing any degree, which is available in any university across the world, to his students. His work lands him in deep trouble and how he comes out of it forms the plot.
Chethimattathu Philip aka Sir CP character played by Jayaram is a parallel college owner who specializes is earning his wards any degree that is available in any universities across the world. Thus he landed in trouble and rest forms the plot of the movie.