Ayesha is the sole survivor of cyanide poisoning by her husband, Mohan, whom she discovers is a serial killer responsible for 12 murders. To escape the police, Mohan kidnaps Ayesha's son and flees to Gulmarg with his next target, a Kashmiri woman named Sana. The film 'Cyanide' promises to uncover Mohan's wicked past behind the killings.
