Kim Seok Joo (Kim Myung Min) is a cold, calculating lawyer who is vying to become successful at all costs. After a fateful accident causes him to lose his memory, Kim Seok Joo must rediscover who he is as a person and choose whether he will fight for justice or fall back into his old ways. Before the accident, he was engaged to the only grandchild of a wealthy family, Yoo Jung Sun (Chae Jung Ahn), but with no memory of her, he begins to fall for Lee Ji Yoon (Park Min Young), an idealistic intern...