Cha Moo-gyeol, a mixed martial artist, falls into a vegetative state while engaging in martial arts in a no-weight class after being tricked by Chairman Jang. Afterwards, Cha Moo-gyeol is used to renew Chairman Chang's image. Eventually, he dies and is possesses the body of Cha Mu-gyeol, a high school student with the same name. A solid body with S-class durability. A status window ability that can upgrade martial arts abilities. It's different this time. With the unfulfilled dream of the strongest man, the fight to get revenge on Chairman Chang begins.