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.

Set during the period of the 1894 Donghak Peasant Revolution against the Japanese, the drama tells the story of two half-brothers, one illegitimate and low born, and one, part of the pro-Japanese ruling elite, who find themselves on opposite sides of the conflict.

A family must deal with the unresolved emotions and misunderstandings that deeply affect their relationships with each other. From the mother that wants to graduate from her marriage, to the daughter who discovers her husband's well-hidden secret, the family must learn to rely on and communicate with each other.