A war is about to break out between Tae Joon and Ji Sook when Ji Sook orders Ha Kyung to investigate and arrest some people close to Tae Joon, but is Ji Sook as clean as Ha Kyung thought her to be?

Gook Hyun overrules Ji Sook's command and tells Ha Kyung to continue her investigation. After meeting with Jung Hwang, Ha Kyung starts to dig into Minister Ji Sook. When Jung Hwan is being released, he calls Ye Rin to perform her song at her school.

In order to retrieve a document, Jung Hwan makes a trade with Kim Sang Min to write Ocean Capital to his name. This trade however goes sideways when Minister Ji Sook interferes. Yun Jin has been given a choice to stick with Jung Hwan or to betray him.