The heroine of the Korean comedy series "Bad Tempered Grown-ups" is confident and authoritative young woman, Uk Ta-jong. She works as a manager in a major cosmetics company and is the youngest team leader in the industry. In addition, she has been married three times and successfully divorced all her ex-husbands. Under her leadership, there is a guy named Nam Jong-gi - a very modest and sweet person who never says a bad word to anyone. However, it is he who makes Ta-jong's heart beat again.