Jeong Tae-ui, who considers himself ordinary, is a former soldier and the younger brother of the genius Jeong Jae-ui. His life begins to take an unexpected turn when he starts working for the United Nations Human Resources Development Organization (UNHRDO) for six months, at the not-so-subtle insistence of his biological father and uncle, Jeong Chang-in. His life becomes intertwined with that of Ilay Riegrow, a crazy guy with pretty hands. This leads him down a path he had never considered before.