After confessing to what he had done five years ago, Do Kyung’s guilty conscience accepts his grandfather's abandonment and leaves the house. Nam Joon takes the idebenone plan given to him by Do Kyung to San Ha's family, but when he sees her worrying for Do Kyung's sake, he gets jealous. Meanwhile, Ae Ra vows to find out Nam Joon's real identity after feeling ridiculed by the chairman's' decision to make Nam Joon his heir. (Source: Viu)