Traffic police Young-goon fires a gun while chasing a red light runner and is investigated by WAIS.

Byung-gil says that he was forced to kidnap and makes a deal with Young-goon, Chi-kwang and Tae-joo.

Tae-joo realizes Hyo-jung's kidney transplant is related to the organ sale case and takes in charge.

Young-goon is injured from prosecutor Lee's plan to catch Mr. Kim. The team continues investigating.

Jae-myung opens his hand to reveal a secret to Young-goon, who finally came out to meet him.

Oh Sang-do is in critical condition. Si-young sneaks in to the ICU to get rid of him for good.