Grace is troubled by the appearance of a man sharing Mia's biological father's surname, sparking questions about Mia's family ties. Despite his past help, Grace harbors resentment toward Mia's father and insists no one acknowledge knowing her if he inquires. The man accompanying Grace steals her VIP card loaded with fifty million, which she accepts as his compensation. Grace reveals she has secretly concealed Mia's parentage at work to protect the company from the father's greed, while Mia seeks to reunite with him. The episode ends as someone mysteriously calls out 'Brother-in-law,' adding new uncertainty.