When Vikram Singh (Ajit) and his son, Bahadur (Prem Chopra), find out about the Nangla Project, they abduct Harbanslal in order to force him to reveal the exact location of this temple, in vain though and end up killing him.
Having failed in this venture, they kidnap the wife and son of multi-millionaire Rajendra Jain (Sajjan) and demand that he get Bahadur married to his daughter, Ritu (Hema Malini).
Soon a wedding date is fixed, however, things do not go as planned as Ritu is abducted by a man called Natwarlal (Dev Anand) and taken to his hideout.
Jimmy drops them off at an isolated spot, leaving Natwarlal to work out the details of getting the ransom money from Rajendra.
Watch as events unfold to show what exactly was the motive in Ritu's multiple abductions, who is benefit by these incidents, and its connection with the Nangla Project.