S01E01 Episode 1
Changho, who has no money and is about to lose his wife, receives a call from the mayor of Gucheon.
Big Mouth
S01E02: Episode 2
Changho is charged with drug abuse and locked up in Gucheon Prison.
Overview
A lawyer with a ten-percent winning rate is caught up in a murder case and becomes the notorious and genius con artist, Big Mouse, overnight. In order to survive and protect his family, he tries to reveal the true colors of the privileged people involved in a huge conspiracy.
Episodes
S01E05 Episode 5
Jihoon approaches Miho to find Seo Jaeyoung's thesis. Does Miho know Changho's true identity?
S01E07 Episode 7
Jaeho warns Changho to stop looking into Seo Jaeyoung's thesis. Miho is suddenly attacked.
S01E08 Episode 8
Changho is in a mental hospital. Will Changho be able to hide his identity in a state of confusion?
S01E09 Episode 9
Changho stands as an informant in Seo Jaeyoung's trial, and Jihoon and Jungrak search for Changho.
S01E10 Episode 10
Changho calls out Big Mouse, and an unexpected character turns up at the agreed time.
S01E11 Episode 11
Changho shifts the power dynamics in the prison to pressure Big Mouse. Doha plants a new warden.
S01E13 Episode 13
The hot-plate restaurant is in ruins. The agitated Changho meets someone unexpected there.
S01E14 Episode 14
Changho makes a tempting offer to Chairman Kang. Doha conspires with Yoongab to get rid of Changho.
S01E15 Episode 15
Changho prepares for the full-fledged elections against Doha, but Miho's health is in trouble.
S01E16 Episode 16
The TV debate begins, and the smoking gun that will bring down Choi Doha is at Miho's fingers.
Cast
Lee Jong-suk
Park Changho
Yoona
Go Miho
Kim Ju-hun
Choi Doha
Kwak Dong-yeon
Jerry
Yang Kyung-won
Gong Jihoon
Ok Ja-yeon
Hyeon Joohee
Oh Eui-sik
Kim Soontae
Kim Jeong-hyeon
Jung Chaebong
Lee Yoo-jun
Han Jaeho
Oh Ryoong
Lee Doogeun
Yoon Seok-hyun
Cha Seungtae
Park Hoon
Seo Jaeyoung
