Dev Anand and Zeenat Aman are siblings who are parted when their parents
divorce. The two grow up apart from each other and Zeenat Aman believes her
brother to be dead. Dev Anand a pilot comes to know that Zeenat has run away
from home and joined up with drug addict hippies. In search of her hereaches
Nepal where he finds her. She however refuses to recognise him. Dev Anand meets
and falls in love with Mumtaz a local belle. Mumtaz however is kept in the dark
about the fact that Zeenat is Dev Anands sister so she cannot understand Devs
obsession with Zeenat. Dev Anand and Mumtaz getmarried. Dev Anand tries hard to
get his sister out of the cult. When she realises that he is her long lost
brother she cant face up to her past and commits suicide.
