Big Mouth

Jihoon approaches Miho to find Seo Jaeyoung's thesis. Does Miho know Changho's true identity?

Miho joins the prison medical volunteer program to meet Changho.

Jaeho warns Changho to stop looking into Seo Jaeyoung's thesis. Miho is suddenly attacked.

Changho is in a mental hospital. Will Changho be able to hide his identity in a state of confusion?

Changho stands as an informant in Seo Jaeyoung's trial, and Jihoon and Jungrak search for Changho.

Changho calls out Big Mouse, and an unexpected character turns up at the agreed time.

Changho shifts the power dynamics in the prison to pressure Big Mouse. Doha plants a new warden.

The warden plans to use the prison riots to take out Changho and Miho.

Changho makes a tempting offer to Chairman Kang. Doha conspires with Yoongab to get rid of Changho.

Changho prepares for the full-fledged elections against Doha, but Miho's health is in trouble.

The TV debate begins, and the smoking gun that will bring down Choi Doha is at Miho's fingers.