Kamal Haasan is a penniless, unemployed youth whose fortunes change when he stumbles upon a millionaire drunk by the roadside. He takes the millionaire prisoner in his house and assumes his identity to taste the luxury of a five-star hotel Pushpak. However, Kamal witnesses incidents which prove that luxury comes with a price. This gives him a different perspective in life and he decides to drop his masquerade and return to his original life. The much-acclaimed ending further crowns this monumental movie.