"Big Mouth" Lee Jong-seok woke up as a genius con artist to protect his family and became the strongest in the food chain of Gucheon Prison. MBC 's Friday-Saturday drama " Big Mouth ", which aired on the 5th, recorded 8.1% in the Seoul metropolitan area, 7.6% nationwide, and 3.3%, breaking its own highest ratings and continuing its dominance on Friday-Saturday dramas. In particular, the scene where a psychopath's death ...