Lim Dae Ho works as a bank teller while suffering through the grind of his miserable 9 to 5 existence. He is constantly bullied at work by his boss. Then one day, Dae Ho walks past a modest gym. The gym is for minor league professional wrestlers hoping to one day break into the big leagues. Dae Ho thinks back to his childhood days and his love for professional wrestling and inparticular his love for the wrestler Ultra Tiger Mask. Dae Ho then decides to try out for wrestling.
Although he’s not talented enough to ever become a top wrestler, Dae Ho trains diligently at night. Eventually, he is turned into the villain known as “The Foul King”.