Pran Jaye Par Vachan Na Jaye

The night watchman of Nirmal Heights Apartments finds drops of blood on the ground. When he follows the trail, he finds Joginder Kukreja dead body in the car. The police arrest Devika for the murder as she confesses her crime. But the police inspector feels otherwise about her as she is old. He calls K.D Phatak and advises him to take up the case. Devika is certain of not taking help from anyone. What happens to Devika?