A former slacker cop stumbles upon a car covered in blood, leading him to suspect the owner, Kang-cheon, of being a notorious serial killer who has been terrorizing the city for months. As Tae-soo delves deeper, he discovers that Kang-cheon is responsible for the murder of his own sister. Sentenced to life in prison, Kang-cheon becomes the target of Seung-hyeon, Tae-soo's brother-in-law, who seeks revenge and makes a deadly deal with a fellow inmate.
The Deal
A husband and detective join forces to exact brutal vengeance on a ruthless serial killer who has left a trail of terror in their wake.
