A female police officer in the small hill town of Mussorie and a forensic expert are together on the trail of a serial killer. The film is set in Mussorie. Little girls are getting murdered on their birthdays. Police Officer Megha (Radhika Apte) tries to solve the mystery with Forensic expert Johny (Vikrant Massey). Both of them were in a relationship. Megha's niece Aanya (Harbandana Kaur) lives with her and Megha doesnt allow her father Abhay (Rohit Bose Roy) to meet Aanya as she thinks that Abhay is responsible for the death of another daughter Aadya and wife Divya (Zeba Sherrif) .

Forensic is a gripping crime thriller that follows the investigation led by Samuel John Kattookaran, a medico-legal advisor, and Rithika Xavier, a cop, as they work together to solve a series of brutal murders. The film combines forensic science with intense suspense, unraveling a complex web of clues and motives.