Teuflischer Spaß

Brain surgeon Maseong and top celebrity Gippeum meet in Hainan and fall in love. They promise to meet again, but after a dangerous incident, Maseong suffers from amnesia, and Gippeum falls down from the superstar position.

Maseong cannot stop thinking about Gippeum with strange memories going past his brain. Meanwhile, Gippeum receives criticism from online chats, but she continues to work on her online shopping mall.

Unable to get Gippeum out of his head, Maseong tries hypnosis. Meanwhile, Maseong's cousin brother, who likes Gippeum, suggests her to come back as a celebrity.

Ha Im makes a big stink when she discovers that the necklace is a fake; Maseong tries to push the Healing Village project forward.

Ki Joon is dismayed when he finds out that the fans prefer Maseong; Wook Jin tries to get Gippeum's career back on track.

Maseong saves Gippeum from danger at a party, and he smiles all day from her thoughts. Meanwhile, Gippeum is embarrassed in a variety show.