Bikram, a teenage orphan lives with his uncle and loves to read lot of detective stories. He has dream to solve a perfect crime like fictional detectives. He sometimes helps his uncle, who works in police to investigate the cases with his talent and observation power. Bikram has a secret crush, Tuki. Tuki's father Sanjoy is a Police detective. Bikram incidentally assists Sanjoy to solve a murder mystery which appears as a natural death having no evidence of crime.