No Mercy
Other name:
Country: South KoreaGenres: action, crime, thriller
Date aired: 2010-01-07
Status: Completed
Sol Kyung-Gu plays a staff member of the National Institute of Scientific Investigation (NISI) in South Korea. He attempts to uncover the identity of a mysterious serial killer who decapitates his victims. Ryoo Seung-Bum plays a environmentalist who holds clues to unravel the mystery.