After a suicide attempt of the daughter of North Korea's top politician, the hospital becomes a special security area, and the NIS bans any access. This creates conflict within operation headquarters. Myung Woo hears from Hye Ryeon that she entered illegally to meet her lover, and she asks Ji Sung to help her. However, Ji Sung coldly refuses to. Meanwhile, Do Kyung freezes when she sees Yi Kyung, but she turns away and leaves. Later, Do Kyung looks for Yi Kyung again while Yi Kyung watches.