A gang abducted young women using expensive cars. They sell women's organs for money.
Everyone wishes to capture criminals. Director Kang Moo-young is working in a news company, getting the first editorial feature she risks to be one of the victims. She borrowed an expensive car and dressed richly and got abducted. Her friend Tak Won hides nearby to film her and get the scoop. But they failed to protect each other as they also got abducted by criminals. They dig a pit to bury Kang and Tak alive.
Rescue came as detective Jing Kang and his friend Teddy Jung arrived to help settle the matter. Jing Kang works as one of the detectives, and as he captures the kidnappers, he gets a media boost. Teddy Jung runs a bar business, and he goes out to help Jing Kang whenever he needs a backup. Jing Kang helps Teddy in his business and pays him off when he gets to fight on the field.
Tak Won owns a detective agency. He works on profiling criminal cases and gets paid for people who seek help. He presents a new case for Kang Moo-young, and they discuss matters that would also help her show.
A new criminal case where the murderer is on the loose. A teacher died due to multiple stabs. The same victim suffered multiple stabs in 2007, which left unresolved.
Kang Moo-young visited the victim's mother and learned about the last contact person he dealt with. She took the address and went to see the place.
Detective Jing Kang visited the victims' school and traced his phone calls. They found out the recent calls lead to their suspect. Jang went to the suspect's address and contacted Teddy for another crime case. Teddy brings along his two staff, who are also great in martial arts.
Kang Moo-young, Jing Kang, and Teddy are all in the suspect's case now and brawled with the suspect and his men. He runs an illegal cosmetic surgery in a secluded area. They failed to get the fake surgeon to be the suspect base on their interview.
Kang Moo-young and Tak Won went to see their friend Lee Ban Seok, a pathologist turned into a mortician. He likes to work on dead people and put puzzle pieces together.
Jing Kang, Tak Won, and Kang Moo-young met up again outside the NFS. They end up pestering each other for getting on the same case always.
Jing Kang got the files from NFS for the fingerprints of the suspect. Thirteen years ago and the present murder holds one suspect, and Jing Kang is on it.
Kang Moo-young rushed to see an IT expert who is a friend of the victim. They discovered that the killer uploaded videos of his victims through his online platform. Kang took the IP address to track the owner. Jing Kang got a tip that the victim went to a famous bar and got into a fight. Jing took the VIP name and pursued him as well.
Kang Moo-young and Jing Kang got the same details of the suspect, and they head out to find him.
