Hyde, Jekyll, Me

Upon discovering he saved Ha-na, Seo-jin thinks Robin has returned. Meanwhile, Ha-na gets short-term amnesia.

Ha-na is confused by Seo-jin, who looks just like Robin. Meanwhile, Robin realizes Ha-na brought him out.

Seo-jin terminates the contract with Ha-na, afraid she will make Robin return. Ha-na demands to know why.

After a fight, Seo-jin and Robin compromise to stay as Robin at night and Seo-jin during the day.

Ha-na confesses her feelings, leaving Seo-jin in shock. Upon hearing she's in danger, Seo-jin looks for her.

Seo-jin's dad tells Seo-jin to end the circus contract since Robin and Ha-na are in love, but Seo-jin says no.

Seo-jin falls ill and blames Ha-na for making him suffer from anxiety. Meanwhile, Robin offers Seo-jin help.

Ha-na thinks Seo-jin is Robin's twin. Mr. Min gets worried and advises Robin to tell her the truth.

Chairman Goo, Seo-jin's dad, tries to send Seo-jin abroad. Meanwhile, Tae-joo threatens to kill Dr. Kang.

Seo-jin shows Ha-na that Robin is his other self and says they have a condition called DID.