A young man Raghu sets up an explosive in a railway track to blow up a train. Raghu is a freedom fighter who wants to destroy the train in which British officers are travelling. He returns home after his successful attempt and is slammed by his rich father who is an ardent supporter of the British. Raghu insists that his country and its freedom are more important than anything. When police comes to arrest Raghu, his father hands him to them but Raghu's pregnant wife Parvati diverts the police and lets her husband escape. Raghu escapes in his bike and meets with an accident and is declared dead. Parvati gives birth to a son named Ashok and ten years pass by. She is away from her father-in-law and still in a belief that her husband is alive and shall come to them one day.
A research scientist (William Hurt) explores the boundaries and frontiers of consciousness. Using sensory deprivation and hallucinogenic mixtures from native American shamans, he explores these altered states of consciousness and finds that memory, time, and perhaps reality itself are states of mind.
A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area's local cannibal tribes.