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Yong-mi, who is suffering from a predicament, overhears Tae-kyung's secret phone call, who is misusing inside information. Faced with a once-in-a-lifetime opportunity, Yong-mi takes a step into the back alley of the financial markets for a 'normal life'.
Yong-mi discovers a side of Suja he shouldn't have seen! However, for some reason, Soo-ja behaves differently from Yong-mi's expectations, and Yong-mi and In-kyung use the information they obtained after the twists and turns to invest in stocks for the first time in their lives. Meanwhile, Taekyung detects a strange sound coming from inside the ventilator...!
As things get worse, In-kyung and Yong-mi leave Bestid to find new jobs. Worse, Yongmi is in danger of losing his children. Yong-mi decides to find out the name of the 3D printer company to bring his kids...
Yong-mi is undecided between the two companies, so what's Yong-mi's choice? In-kyung accidentally gets Tae-kyung's project call, and Yong-mi hides her identity and attends an insider meeting. However, an unexpected person appears...!
Yongmi's heart almost exploded when he met grass in an unexpected place. Yongmi escapes the crisis on his own terms at the insider meeting. Yong-mi, In-kyung, and Su-ja begin a plot to infiltrate the Ilwon Foundation to obtain information...
Jan Di finds out that Yongmi's real identity is Bestid beauty salon! Pushed by a bend, Yong-mi makes an unexpected offer to Jung-dang. Meanwhile, Yong-mi, In-kyung, and Su-ja, who have successfully completed their first joint operation, are having fun, but shadows of the past begin to fall on Yong-mi...
Between Sooja and Inkyung, who are happy at the rice cake table, Yong-mi can't help but smile alone. Young-shin proposes to Yong-mi a secret project that only Tae-kyung and the two of them work on. Yong-mi tries to find a breakthrough through Young-shin's suggestion.
Jan Di approaches In-Kyung to find Tae-Kyung's lost project phone. Yong-mi is invited to Young-shin's house and has fun, but when the short-selling project enters an unexpected phase, she makes the choice she wants to avoid the most.
Young-sin finds the gap Yong-mi was hiding and tries to open Yong-mi. Soo-ja and In-kyung find out about Yong-mi's condition. In-kyung gets drunk and knocks on Yong-mi's door. Meanwhile, Yong-mi begins to prepare to send the kids away.
Yong-mi is caught by Song Woo-chang! Will Yong-mi be able to escape Song Woo-chang's grasp? Yong-mi is saddened by Young-sin's disappointment even in a time of crisis, and In-kyung is surprised by Doo-young's unexpected appearance at the end of despair.
Yong-mi is afraid of Song Woo-chang's threats, and to make matters worse, In-kyung and Soo-ja get angry when Yong-mi is advised to resign. Young-shin and Yong-mi, knowing that Song Woo-chang will not stop, start to float their chances ...
The independence of the three of them is ambitious, but it's not as easy as they think! Yong-mi wants to bring the kids, but things don't go well, and Geum Jan-di proposes to Yong-mi for a collaboration once again. Yong-mi, In-kyung, and Soo-ja start a new project, but face an unexpected ambush...
With Young-shin's sudden appearance, the situation moves forward without knowing what to expect. Yong-mi and Young-shin set a date for each other, and Young-shin accepts the inevitable offer. On the other hand, Yongmi and Inkyung held a special event for estranged Souza on their birthday.
Yong-mi once again tries to confirm the death of Song Woo-chang from Jan-di. Doo-young wants to give In-kyung a special gift, but she's flustered by the unexpected reaction. Dong-joo notices a suspicious connection between Yong-mi and Jan-di! Thanks to this, Yong-mi comes face to face with an unexpected character.
When Woo-chang's threat extends to Yun-a, Yong-mi proposes a deal with Woo-chang. As operations continue, share prices rise, but Suja and Inkyung are unhappy for their own reasons. Meanwhile, an unexpected casualty occurred due to the manipulation of Wuchang's stock price...
The meeting between Young Mi and Woo Chang has become a big concern regarding what will happen to them after the incident. Can the good things that happened later after Young Mi, In Kyung and Soo Ja trade shares in the three of them last?
