O Jae-ho

Special Investigation Unit: The Case of College Girl Lee Nan-hee

Nan-hee is slowly coerced into a life of crime by her boyfriend, Park. She is trained in assassination techniques and sent to assassinate the head of the Special Investigation Unit. However she cannot complete her mission because she suffers from pangs of conscience and a deep attraction to the investigator.

Special Investigation Unit: One-Armed Kim Jong-won

Kim Jong-won, a communist operative in South Korea, turns himself in and assists the Special Investigation Unit to bring the other members of his organization to trial.

Special Investigation Unit: The Life of Miss Kim Su-im

Kim Su-im, the mistress of an American colonel, is arrested and charged with being a North Korean spy. While not denying the charge, Miss Kim takes the trial as an opportunity to relate her life as an explanation of why she committed treason as a spy.