Da Ran is excited for her upcoming wedding to Yoon Jae, but tragedy strikes when he ends up in a car accident with one of her students, Kang Gyung Joon.

In her mind, Da Ran is starting to accept that it is Gyeong Jun in Yun Jae's body. Both are faced with the many possibilites and consequences of the situation they are now in. Amidst it all, Da Ran is seeing her fiance in a new light. Gyeon Jun is slowly getting into the real life of Mr. Seo Yun Jae...

Gyung Joon's "girlfriend" from the States arrives, searching for him. Se Young's feelings for Yoon Jae put Gyung Joon in an awkward position.

Da Ran plans to purchase a new apartment for her and Yoon Jae, but Gyung Joon's rashness puts an end on that plan.

Kyung Joon tries to prevent Da Ran from opening the door to Se Young’s apartment. Realizing that Yoon Jae had cheated on her, Da Ran cancels the wedding...

Da Ran confirms that the man she meets is indeed Kyung Joon. Upon their reunion Kyung Joon suggests that Da Ran and he get married to discourage Se Young from getting any closer Yoon Jae, who is actually Kyung Joon...

Da Ran then tells Kyung Joon that she has changed her mind. The couple promptly tell the news to Yoon Jae's mother. As a result, Yoon Jae's mother confront Da Ran's parents. Her parents demand that either Da Ran marry Yoon Jae or never see him again...

Ma Ri's growing jealousy over Gyung Joon and Da Ran's closeness impels her to make the same mistake she made with Gyung Joon's mother.

Too many people catch Da Ran and Gyung Joon separately when they're supposed to be on their honeymoon.

Da Ran struggles with her blossoming feelings for Gyung Joon. Se Young discovers the truth behind Gyung Joon and Yoon Jae's connection.

Although Da Ran decided to return the ring and be together with Gyung Joon,things were changed when the truth about Yoon Jae's illness and the real Gyung Joon's parents is revealed..However the person Da Ran decides to protect in the end is Yoon Jae.

Gyung Joon decides to not be used like his mother and tries to leave for LA but Da Ran arrives to the airport on time and stops him by revealing her true feelings.In the end Gyung Joon helps Yoon Jae but the cost is losing his memories after the accident.The one who wakes up is...