Song Kang-ho stars as Dae-ho, a timid bank clerk who is going nowhere in his everyday life. After meeting a famous former pro wrestler, Dae-ho transforms himself into wrestling villain The Foul King.
Dae-ho is a regular guy with a nine to five job as a financial advisor, but quite frankly, he sucks at, his boss is a bully and he doesn’t enjoy the day to day office life his real passion since childhood has been wrestling and he stumbles across a leaflet advertising wrestlers wanted and so he signs up. After starting to train he develops an alter ego and becomes a villain in the ring by the name of The Foul King. With his shot at fame nearing, he also starts to assert himself at work facing challenges head on, but will Dae-ho become the crowd pleaser they love to hate………