Rich, private moneylender Yoon Bok Hee has three children. She gets Alzheimer's and her three children go through difficulties to finally become grownups. Meanwhile, Jang Hoon Nam lost his parents when he was young and he lives with his deaf older brother. Jang Hoon Nam has a strong sense of responsibility. He meets designer Go Young Chae, who is Yoon Bok Hee's eldest daughter. Jang Hoon Nam and Go Young Chae work at the same company. Go Young Chae is arrogant and vain. At first, they have frequent conflicts with each other but begin to fall in love. (Source: AsianWiki)