This film cast Kwon Sang-woo and Yoo Ji-tae.

Jang Do-young is a homicide detective who likes to use violence when dealing with criminals, while Oh Jin-woo is a prosecutor who believes in the importance of data and evidence.

The unlikely duo join forces to bring gangster boss Yu Kang-jin to justice, but find that he is too well connected.

Running Wild was released in South Korea on 12 January 2006,[1] and on its opening weekend was ranked second at the box office with 389,370 admissions.

[2] The film went on to receive a total of 1,016,152 admissions nationwide,[1] with a gross (as of 5 February 2006) of US$6,245,863.