Big Mouth — Season 1
16 episodesFirst aired 29 July 2022
Park Changho is known since his school days as "Big Mouth" because he talks big and promises big things but cannot follow it up. He is also an infamous lawyer with a very low rate of success who was hired by a mayor because of his incompetence. Unfortunately, he was framed as the notorious and mysterious swindler "Big Mouse" and sent to prison. Go Miho is Changho's loving wife who works as a nurse. She has strong personality and will do anything to prove the innocence of her husband and help solve the case the mayor has given to her husband. Will Miho be successful in proving her husband's innocence? Or will her investigations lead to opening a can of worms?
E1Episode 1
7.8Jul 20221h 3m
Changho, who has no money and is about to lose his wife, receives a call from the mayor of Gucheon.
E2Episode 2
9.4Jul 20221h 14m
Changho is charged with drug abuse and locked up in Gucheon Prison.
E3Episode 3
9.4Aug 20221h 12m
Changho needs to maintain recognition as Big Mouse to protect Miho.
E4Episode 4
8.9Aug 20221h 8m
Gong Jihoon makes a bet with Changho to find out his true identity.
E5Episode 5
9.0Aug 20221h 10m
Jihoon approaches Miho to find Seo Jaeyoung's thesis. Does Miho know Changho's true identity?
E6Episode 6
8.7Aug 20221h 6m
Miho joins the prison medical volunteer program to meet Changho.
E7Episode 7
8.8Aug 20221h 11m
Jaeho warns Changho to stop looking into Seo Jaeyoung's thesis. Miho is suddenly attacked.
E8Episode 8
8.7Aug 20221h 13m
Changho is in a mental hospital. Will Changho be able to hide his identity in a state of confusion?
E9Episode 9
8.8Aug 20221h 3m
Changho stands as an informant in Seo Jaeyoung's trial, and Jihoon and Jungrak search for Changho.
E10Episode 10
8.7Aug 20221h 3m
Changho calls out Big Mouse, and an unexpected character turns up at the agreed time.
E11Episode 11
9.1Sept 20221h 12m
Changho shifts the power dynamics in the prison to pressure Big Mouse. Doha plants a new warden.
E12Episode 12
9.1Sept 20221h 13m
The warden plans to use the prison riots to take out Changho and Miho.
E13Episode 13
8.7Sept 20221h 4m
The hot-plate restaurant is in ruins. The agitated Changho meets someone unexpected there.
E14Episode 14
8.8Sept 20221h 4m
Changho makes a tempting offer to Chairman Kang. Doha conspires with Yoongab to get rid of Changho.
E15Episode 15
8.6Sept 20221h 10m
Changho prepares for the full-fledged elections against Doha, but Miho's health is in trouble.
E16Episode 16
9.0Sept 20221h 11m
The TV debate begins, and the smoking gun that will bring down Choi Doha is at Miho's fingers.