Of the very few of Uttam Kumar's Hindi Films, "Plot No 5" can. undoubtedly, be singled out for its brilliant script, smart direction and good acting. The film has no song, though the back-ground music scored by Salil Chowdhury is remarkable. The film is a murder mystery and the real culprit can hardly be identifiable until the truth comes out .Besides, , The film has also Amol Palekar, Sarika and Amjad Khan as the detective. Throughout the film Uttam Kumar the real murderer remains seated.