Kal Ki Awaz is an action drama. The movie revolves around an honest police officer DSP Ali Haider Jafri (Dharmendra), who takes over after the retirement of the Police Commissioner Hamza Sheikh. During one of the bank robberies, Ali Haider manages to arrest the gang of bank robbers. However, the son of the president of the bank is kidnapped and the kidnappers ask for the huge ransom amount. Ali learns about it and tries his best to save the child, but fails. Things take a complicated turn when Ali’s daughter is kidnapped too. Will Ali be able to save all the kidnapped children?