The core plot of Dridam follows a rookie officer trying to solve a disturbing case within a strict deadline. As pressure from senior officials and the public intensifies, the officer is forced to dig deeper into hidden truths surrounding the crime.
The film blends crime, mystery, and emotional tension while exploring the psychological pressure faced by law enforcement officers during critical investigations. The hill-station backdrop also adds an eerie tone to the narrative, creating a gripping atmosphere throughout the investigation.
Writers Jomon John and Linto Devasia have jointly handled the story, screenplay, and dialogues, aiming to keep the suspense layered until the climax.