Overview: A genius Noh Gojin ignores death threats. His secretary Lee Sina gets deadly ill and dreams revenge.
Overview: Sina takes revenge on Gojin, but gets flabbergasted when he loses his memories from a car accident.
Overview: Sina pretends to be Gojin's fiancée to take revenge and finds tormenting him rather enjoyable.
Overview: Sina deceives Gojin's friend Segi and enters his house. Kang Min, who ran over Gojin, visits him.
Overview: Gojin deceives everyone by faking his amnesia. On the night of the accident, Gojin saw the culprit.
Overview: Noh Gojin hires the best private detective "John" to investigate. Sina keeps taking revenge on him.
Overview: After witnessing a young man's car accident, Sina accepts her deadly fate and stops taking revenge.
Overview: It turns out Sina's cancer was misdiagnosed. It is also revealed that Gojin does not have amnesia.
Overview: After they kissed, Go Jin and Si Na's hearts flutter. Go Jin speaks rudely to Si Na because of Soo Yeong.
Overview: The person who Gojin saw on the night of the accident was Oh Segi. Gojin's feelings for Sina grow.
Overview: After seeing Sina's will, Gojin realizes he loves her. Segi conspires to drive Gojin out of Gotop.
Overview: Gojin and Sina's romance begins. Gojin firmly believes Sina to be terminally ill driving her crazy!
Overview: Sooyeong challenges Sina to confess that Gojin was her first love. Gojin faces a crisis due to Segi's scheme.
Overview: Gojin overcomes the crisis, however the doubts on Segi's actions still remains. A surveillance camera shows another man when the accident happened.
Overview: Gojin sincerely apologizes to the people around him and vows to protect them. Sina roots for Gojin.
Overview: Gojin catches the culprit, and Gojin and Segi reconcile. A year later, Sina and Gojin are newlyweds.