Synopsis
Big Mouth (2022), Season 1 — watch this Korean thriller online on iFILM across 16 episodes about a small-town lawyer turned overnight into a crime-world legend. Park Changho lost nearly every case and was written off as all talk, until a mayor handed him a murder file.
Then the trap springs. Changho is framed, saddled with the name of a shadowy con artist called Big Mouse, and thrown into Gucheon Prison. To stay alive behind bars and shield his wife, he has to play a man he never was. Outside, nurse Go Miho runs her own investigation — hunting a dead researcher's thesis, joining the prison's medical volunteer program to reach her husband, and becoming a target herself. The season keeps widening its scale, from one cell's survival to a fight for control of a city where judges, doctors and officials are tied into a single conspiracy.
Lee Jong-suk carries it, his character sliding from petty failure into someone everyone fears. The final stretch — a TV debate and Mayor Choi — stays unspoiled here. Stream Big Mouth Season 1 online on iFILM.
16 episodes
S1·E1Episode 1
Changho, who has no money and is about to lose his wife, receives a call from the mayor of Gucheon.
S1·E2Episode 2
Changho is charged with drug abuse and locked up in Gucheon Prison.
S1·E3Episode 3
Changho needs to maintain recognition as Big Mouse to protect Miho.
S1·E4Episode 4
Gong Jihoon makes a bet with Changho to find out his true identity.
S1·E5Episode 5
Jihoon approaches Miho to find Seo Jaeyoung's thesis. Does Miho know Changho's true identity?
S1·E6Episode 6
Miho joins the prison medical volunteer program to meet Changho.
S1·E7Episode 7
Jaeho warns Changho to stop looking into Seo Jaeyoung's thesis. Miho is suddenly attacked.
S1·E8Episode 8
Changho is in a mental hospital. Will Changho be able to hide his identity in a state of confusion?
S1·E9Episode 9
Changho stands as an informant in Seo Jaeyoung's trial, and Jihoon and Jungrak search for Changho.
S1·E10Episode 10
Changho calls out Big Mouse, and an unexpected character turns up at the agreed time.
S1·E11Episode 11
Changho shifts the power dynamics in the prison to pressure Big Mouse. Doha plants a new warden.
S1·E12Episode 12
The warden plans to use the prison riots to take out Changho and Miho.
S1·E13Episode 13
The hot-plate restaurant is in ruins. The agitated Changho meets someone unexpected there.
S1·E14Episode 14
Changho makes a tempting offer to Chairman Kang. Doha conspires with Yoongab to get rid of Changho.
S1·E15Episode 15
Changho prepares for the full-fledged elections against Doha, but Miho's health is in trouble.
S1·E16Episode 16
The TV debate begins, and the smoking gun that will bring down Choi Doha is at Miho's fingers.
1 seasons
Starring
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