The Fine Line Between Being Harmful and Beneficial

Tae-min announces to the whole family that he’ll start working at the company, fighting against Tae-ha to be a successor. He also warns his mother that he hasn’t decided which side to take. Chairman Kang’s birthday is held, and Yeon-woo meets Tae-ha’s whole family, including his aunt. She also runs into Sa-wol, who got hired as the family's new housekeeper.