The Worst Day Ever - S1.E10

Ok Sun lets In Guk know about her revenge. In Guk is shaken by Ok Sun's fierce demeanour, and Mo Ran speeds up her plans of establishing a subsidiary as soon as she gets wind of Hyun Wook's counterattack. Meanwhile, Woo Hyun finishes up her first show with Gaon but soon finds out Hye Rim betrays her at the hands of Mo Ran and tells everything she's been hiding to Hyun Wook.