MAD DOG

Private investigators Choi Kang Woo and Jang Ha Ri run into Min Joon amid a fraud crime investigation.

The plane with Kang Woo’s wife and son two years ago crashed. Kim Bum Joon is responsible for the crash.

Min Joon blackmails Kang Woo. Kang Woo secretly goes into Min Joon's house and finds articles about the crash.

Kang Woo learns Min Joon is after Mi Ran and helps Min Joon chase Soo Oh to hear why Min Joon is after Mi Ran.

Min Joon steals Cheetah's phone and finds Mi Ran before Kang Woo. Hong Joo realizes a secret about the crash.

Mad Dog members set a plan to catch Ko Jin Chul, and Min Joon is on his own after waking up at the hospital.

Ha Ri, Noo Ri, and Soon Jung look for Ko Jin Chul’s killer. Kang Woo returns to Taeyang Insurance.

Kang Woo learns Bum Joon’s policies were fabricated. Mad Dog and Min Joon work together to find the originals.

Kang Woo learns Han Wu’s betrayed him. Min Joon learns the new evidence for the accident is with Chairman Cha.

Kang Woo saves Min Joon, Ha Ri, and Soon Jung but gets caught. Min Joon is attacked by a man sent by Hong Joo.

Mad Dog members learn Noo Ri is Chief On's son. Prosecutors confiscate everything from Mad Dog's office.

Noo Ri is stabbed in place of Min Joon. Hong Joo plans to bring Hyun Ki down by working with Lee Young Ho.

Kang Woo and Min Joon get arrested at the press conference. Hyun Ki tells Hong Joo her father killed his.

Kang Woo blackmails Hong Joo with a recording of her and tells her Noo Ri will be the one revealing it.

Hyun Ki blames the crash on his father and Jung Pil. Mad Dog is off to get Hyun Ki. Young Ho chases Mad Dog.

Kang Woo realizes Young Ho has his eyes on Min Joon. Hong Joo and Hyun Ki hold a press conference.