Special Investigation Unit: The Case of College Student Lee Nan-hie (1973)

A beautiful college girl Lee Nan-Hee falls deeply in love with one of her classmates Park who is a poor student. He commits a murder after he is contrived by a secret agent dispatched from North Korea. Nan-Hee takes a part in the crime for her boy friend. Nan-Hee makes love with the agent in this situation, and is trained to assassinate the chief of investigation Kim. However when the golden opportunity to kill him comes, she can't carry out her mission due to her pangs of conscience and attraction to him. Instead she informs him a stronghold of secret agents who are cleared out later.