Heo Young-ran, who eats bread and makes fun of Lee Chang-hoon's twin co-piter-in's underdue, gives up because he can't do his homework. Misun is worried and Mi-young teaches the challenge spirit. It is a challenge spirit to set a big goal and do not give up until it dies. . When Young-ran wears new shoes, Chang-hun steps on them, saying that the new shoes are stepping on them. Upset Youngran begins to take revenge, but Chang-Hoon cleverly escapes. (Source: SBS)