Gang-ho is a laborer at the local factory, sleeping just 3 hours a day and working like a horse. But when his face is burned in an accident at work, he's left unemployed. Scared of his daughter's reaction to his burns, Gang-ho decides to transform into the superhero, Gugu-Man!

While Gang-ho was working at the local factory, he slept only three hours a day and worked like a horse. However, after his face was burned with the fire, he was dismissed from his workplace. He now does not want his daughter to be scared of his face, so he decided to wear the costume of SUPERHERO, “Guru-man”, and stay with her.