Kim Seok Joo goes by fair play or foul methods to win his cases. An accident though leads to the lawyer losing his memory. Lee Ji Yoon is an intern at the law firm who works directly under him. Meanwhile, Yoo Jeong Seon is his fiance. She is the only grandchild of a wealthy family. Cha Young Ho is the CEO of the lawyer firm whom had molded Kim Seok Joo to be an ace lawyer through his connections and teachings.
