Kim is suspicious that Thada betrayed his sister, and caused Wi's suicide. He goes to question Dao whether she's Thada's mistress, but is stopped by Mook. Pak adds oil to the flame by damaging the relationship between Kim and Mook, as well as helping Thada out. Thada replaces Wi as the CEO, and inherits all kinds of her property. This enrages Kim. Meanwhile, Dao threatens Thada with a gun. And Kim begins to suspect that it was Thada who killed his sister. (Source: Viu)