A former arm-wrestling champion raised in the U.S. returns to South Korea for a tournament that could return him to glory, but he finds his life complicated by the appearance of the biological family he never knew.
Lee Young-Joon's family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.
A tragic accident leaves an ambitious prosecutor with the mind of a child – forcing him and his mother to embark on a journey to heal their relationship.
