Mukul Bhagat gets murdered in the lift with a screw diver. Mukul was not in good terms with his brother Sanjay, who was also presesnt in the lift. There were 5 people in the lift Bunty a school kid, Mukul , Sanjay, Ms. Surveen and a blind man Mohit. K.D watches the cctv footage but there was a complete blackout. Mukul's brother Sanjay is arrested. Who killed Sanjay? K.D elaborates the cctv footage and describes each and every position in which people were standing. He also reveals the slap and the noise that he could hear from the footage. Lift man reveals the truth that sanjay had asked the keys of lift from the lift man. Will K.D.Pathak succeed in saving his client and friend Sanjay Bhagat? Who is the killer?