Compared to his genius older twin brother Jeong Jaeui, ex-soldier Jeong Taeui thought he was average. Thanks to his Uncle Jeong Chang-in's( biological father) forceful request, he ends up working at the United Nations Human Resources Development Organization (UNHRDO) for half a year where he meets the crazy guy with white hair, Ilay Riegrow. As their lives become entwined, Taeui's life starts to go down a path that he never expected.