In order to ensure the succession of MC Group's eldest son, Wanjun, the empire instructs Yoon-do to violate the National Assembly's inheritance law. In response, Yoon-do prepares a thorough plan to gain the full trust of the empire. He also blackmails Seo-jin's biological mother, Choi Na-ri, to sign a shareholding waiver for Chairman Mo's son, Seo-jin. Seok-hee, feeling sorry for her brother Seo-jin, who was hurt in the fight between the empire and Nari, eventually takes a drastic action... (thetvdb.com)