Ha Na, a leader of a circus, pleads to Goo Seo Jin, the director of Wonderland, not to disband the crew.

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.

Tae Joo watches Seo Jin's video. Also, Seo Jin tells Ha Na he will take loving Robin to mean loving him too.

Robin tells Seo Jin to suspect those around him. Tae Joo is flustered as he sees Seo Jin sharing his memory.

Seo Jin tells Tae Joo that his dad helped the kidnapper, but he distrusts him. Meanwhile, Ha Na falls ill.

Robin asks Ha Na to build a new workshop together. Meanwhile, Seo Jin comes to the circus crew's office.

Ha Na gets trapped by reporters at Robin's. Seo Jin tries to tell them he has a DID, but Ha Na stops him.

Seo Jin thanks Ha Na for allowing Robin to exist, and news articles about him and Robin help Wonderland.

Robin notices his memory loss. Seo Jin gains some of Robin's memories and worries about what to tell Ha Na.

Robin and Ha Na get married, but Robin finds it hard to draw Ha Na as well as he did and realizes it's time.