On her first day at Kangsu Construction, Eun-ae pressures Ji-hun for half of the sales money and vows to reclaim Joy. Meanwhile, Seung-wu's petty revenge against Eun-nim leads to a chase and a trip to the police station. Yeon-ja prepares a family dinner to celebrate Eun-ae's first day at Kangsu Construction. Amid the festivities, Eun-ae begins her secret mission to reclaim Joy while navigating the company's complex structure. She stays determined to succeed despite the tough environment.