The movie starts with Raju (Dev Anand) being released from jail. Raju was a freelance guide, who earned his living by taking tourists to historic sites. One day, a wealthy and aging archaeologist, Marco (Kishore Sahu) comes to the city with his young wife Rosie (Waheeda Rehman), the daughter of a courtesan. Marco wants to do some research on the caves outside the city and hires Raju as his guide.