Crime Drama Mystery
8.3/10 2022 · 1 Season· 16 Episodes · Completed ·KR

Creator: Jang Young-cheol, Jung Gyeong-sun

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.

Cast

Lee Jong-suk
Lee Jong-suk
Park Changho
Yoona
Yoona
Go Miho
Kim Ju-hun
Kim Ju-hun
Choi Doha
Kwak Dong-yeon
Kwak Dong-yeon
Jerry
Yang Kyung-won
Yang Kyung-won
Gong Jihoon
Ok Ja-yeon
Ok Ja-yeon
Hyeon Joohee
Oh Eui-sik
Oh Eui-sik
Kim Soontae
Kim Jeong-hyeon
Kim Jeong-hyeon
Jung Chaebong
Lee Yoo-jun
Lee Yoo-jun
Han Jaeho
Oh Ryoong
Oh Ryoong
Lee Doogeun
Yoon Seok-hyun
Yoon Seok-hyun
Cha Seungtae
Park Hoon
Park Hoon
Seo Jaeyoung
Kim Kyu-seon
Kim Kyu-seon
Ashley Kim
Jang Hyuk-jin
Jang Hyuk-jin
Choi Jungrak
Kim Sun-hoa
Kim Sun-hoa
Park Miyoung
Park Se-hyun
Park Se-hyun
Jang Heejoo
Jeong Jae-seong
Jeong Jae-seong
Park Yoongab
Kang Hyung-wook
Kang Hyung-wook
No Bak
Lee Ki-young
Lee Ki-young
Go Gikwang
Kim Dong-won
Kim Dong-won
Gan Soocheol

Episodes

Big Mouth (2022) S01E01 – Episode 1 S01E01 63m
29 Jul 22
Big Mouth (2022) 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 (2022) S01E02 – Episode 2 S01E02 74m
30 Jul 22
Big Mouth (2022) S01E02 – Episode 2
Changho is charged with drug abuse and locked up in Gucheon Prison.
Big Mouth (2022) S01E03 – Episode 3 S01E03 72m
5 Aug 22
Big Mouth (2022) S01E03 – Episode 3
Changho needs to maintain recognition as Big Mouse to protect Miho.
Big Mouth (2022) S01E04 – Episode 4 S01E04 68m
6 Aug 22
Big Mouth (2022) S01E04 – Episode 4
Gong Jihoon makes a bet with Changho to find out his true identity.
Big Mouth (2022) S01E05 – Episode 5 S01E05 70m
12 Aug 22
Big Mouth (2022) S01E05 – Episode 5
Jihoon approaches Miho to find Seo Jaeyoung's thesis. Does Miho know Changho's true identity?
Big Mouth (2022) S01E06 – Episode 6 S01E06 66m
13 Aug 22
Big Mouth (2022) S01E06 – Episode 6
Miho joins the prison medical volunteer program to meet Changho.
Big Mouth (2022) S01E07 – Episode 7 S01E07 71m
19 Aug 22
Big Mouth (2022) S01E07 – Episode 7
Jaeho warns Changho to stop looking into Seo Jaeyoung's thesis. Miho is suddenly attacked.
Big Mouth (2022) S01E08 – Episode 8 S01E08 73m
20 Aug 22
Big Mouth (2022) S01E08 – Episode 8
Changho is in a mental hospital. Will Changho be able to hide his identity in a state of confusion?
Big Mouth (2022) S01E09 – Episode 9 S01E09 63m
26 Aug 22
Big Mouth (2022) S01E09 – Episode 9
Changho stands as an informant in Seo Jaeyoung's trial, and Jihoon and Jungrak search for Changho.
Big Mouth (2022) S01E10 – Episode 10 S01E10 63m
27 Aug 22
Big Mouth (2022) S01E10 – Episode 10
Changho calls out Big Mouse, and an unexpected character turns up at the agreed time.
Big Mouth (2022) S01E11 – Episode 11 S01E11 72m
2 Sep 22
Big Mouth (2022) S01E11 – Episode 11
Changho shifts the power dynamics in the prison to pressure Big Mouse. Doha plants a new warden.
Big Mouth (2022) S01E12 – Episode 12 S01E12 73m
3 Sep 22
Big Mouth (2022) S01E12 – Episode 12
The warden plans to use the prison riots to take out Changho and Miho.
Big Mouth (2022) S01E13 – Episode 13 S01E13 64m
9 Sep 22
Big Mouth (2022) S01E13 – Episode 13
The hot-plate restaurant is in ruins. The agitated Changho meets someone unexpected there.
Big Mouth (2022) S01E14 – Episode 14 S01E14 64m
10 Sep 22
Big Mouth (2022) S01E14 – Episode 14
Changho makes a tempting offer to Chairman Kang. Doha conspires with Yoongab to get rid of Changho.
Big Mouth (2022) S01E15 – Episode 15 S01E15 70m
16 Sep 22
Big Mouth (2022) S01E15 – Episode 15
Changho prepares for the full-fledged elections against Doha, but Miho's health is in trouble.
Big Mouth (2022) S01E16 – Episode 16 S01E16 71m
17 Sep 22
Big Mouth (2022) S01E16 – Episode 16
The TV debate begins, and the smoking gun that will bring down Choi Doha is at Miho's fingers.

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