Past: Love, Happiness, Destiny.
Naive girl Yoon-jung falls in love at first sight with married man Soo-hwan, who finds happiness for the first time in his otherwise dull marriage.
POP artist Yong-gi living in New York City has a torrid affair with coworker Joanna until he meets Yoon-jung by chance.
Present: Separation, Hatred, Pain.
Yoon-jung's dream romance with Soo-hwan is over as quickly as it began. She struggles to come to terms with the fact that Soo-hwan is married and chooses his family over her in the end.
The fiery romance between Yong-gi and Joanna crashes and burns, leaving Yong-gi scarred. All three have lost faith in love.
Future: Hope, Obsession, Desire... Dangerous Love!
Five years later, they meet again. Yong-gi and Yoon-jung recognize their shared pain and are drawn together. But ambitious Soo-hwan is now facing difficulties. Yong-gi won't let go of Yoon-jung who gave his life meaning. Yoon-jung can't ignore Soo-hwan who sacrificed everything for her. And Soo-hwan wants Yoon-jung back.
Now, the dangerous love entangling all three begins!