One day, as Kim Soo-hyun grew increasingly weary of a world he could never change no matter how hard he tried, a mysterious man named Oh Jong-doo appeared before him. With effortless skill, Oh Jong-doo pulled various weapons from his coat, subdued a giant monster, and then calmly disappeared, pulling his cart behind him. Witnessing this, Kim Soo-hyun felt an indescribable thrill. An action-packed adventure featuring the righteous prosecutor Kim Soo-hyun and the unreliable hero Oh Jong-doo!