Park In-seong's interview at Silver Lining doesn't go as planned. An incident during a trip leaves Kim Seon-ju sending out a plea for help.
In-seong decides to accept Seon-ju's offer, forcing him to quickly learn the ropes of his new role. Later, they go on a risky visit to Seon-ju's house.
In-seong moves into Seon-ju's house. Meanwhile, Jung Se-yeon becomes increasingly suspicious of her boss's disappearance.
While Se-yeon starts chasing her own leads, a mishap leaves In-seong without Seon-ju's help. The group's quest for answers starts to turn perilous.
A key internal position suddenly opens up at Bumyoung Group. In-seong and Se-yeon hire a bodyguard amid increasing safety concerns.
In-seong gets caught up in the internal conflict at Bumyoung Group. Meanwhile, he and Se-yeon go to great lengths to get answers from Kwak Sam-su.
As the threats become more ominous, In-seong returns home to regain his footing. Later, the group retraces their steps and discovers a new lead.
In-seong contemplates an important business decision in the absence of Seon-ju. The group begins spying on their suspect's activities.
In-seong, Se-yeon and Ma-pi chase the enemy after a shocking revelation. Later, they deduce who the true perpetrator is behind Seon-ju's disappearance.
Se-yeon and In-seong start to get closer after a moment of vulnerability. An internal shake-up forces In-seong out of Silver Lining.
In-seong is reinstated as the head of Silver Lining. Suspecting a mole in their inner circle, In-seong and Se-yeon come up with a scheme.
Seon-ju realizes the truth about his own identity inside the phone. In-seong and Se-yeon set in motion their final plan to take down Oh Mi-ran.