The Police Commissioner, Advocate Sinha and Police Inspector Vikram Singh arrive on the Central Psychological Hospital to talk with an inmate, Arun Saxena. They hope to get Vikram to befriend Arun in order that they might unravel the thriller as to why Arun ended up romancing rich Sapna, then getting concerned with Jyoti, and subsequently killing her. Arun is arrested, confesses to the the murder and is sentenced to be hanged. This information unsettles Arun to such an prolong that he turns into mentally unstable and is institutionalized. Vikram hopes to befriend Arun, get him cured and medically discharged, and guarantee that he's hanged.
