Byun Hyuk ( Choi Si-won ) minangka putra kaloro saka Byun Kang-soo ( Choi Jae-sung ), juragan parusahaan Gangsu Group. Byun Woo-sung ( Lee Jae-yoon ), putrane sepisan Byun Kang-soo irèn lan nggolèk kalodhangan kanggo nggawé Hyuk mudhun. 