Haein's symptoms worsen as she suffers from hallucinations, which Eun-sung takes advantage of. Soon after, Hyun-woo finds himself captured and in danger.
Despite being in a tense situation with Hae In, Hyun Woo remains firm about staying in the company as his suspicions towards Eun Sung grow even stronger.
Baek Hyun-woo and Hong Hae-in navigate a tense relationship, both at home and at work. But upon deciding his future, Hyun-woo pays a visit to his family.
Yoon Eun-sung's increasing involvement with Hae-in leads to jealousy from Hyun-woo. Hae-in eventually comes to Baek Du-gwan's aid in his moment of need.
After Hae-in reveals her grim news to Hyun-woo, he begins to treat her nicely. Meanwhile, Hae-in's old classmate returns to Korea and joins Queens Group.