Underdog, Ui-chan plays English-matched game and ignores the rule. Jung-bae, who prides himself, invites an American teacher who speaks the mainland pronunciation and practices hard. As Chang-hoon, Oh-jung, and Inbong struggle to show each other's strength, Tae-ran Mi-sun and Hye-kyo are struggling to make household chores under the immense name of the triathlon. NG collection (Source: SBS)