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