In Hunter with a Scalpel episode 7, Jung Hyun investigates the Cheongwoon Port Incident. Meanwhile, Se-hyun believes her father, Jo Kyun, is creating a fake criminal. She falls into a trap set by him. Se-hyun, a genius forensic pathologist, is trying to hide her past and capture her serial killer father before the police do. She wants to get rid of her father herself. Jo Kyun, the serial killer, continues to play games with her.