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.