Lara Becker, a young woman with no ideas how love work. She only can describe love as what she learnt and saw from her parents. One day, she will find her own. Daniel, a knight in shining armor. The first greetings brings unforgettable memories. Thought he will achieve everything but nothing works his way. Between lover and loyalty, can he really make a choice? Prince Carl Steffen, the third prince of Grand Duke Edward Steffen. As he is not in line for the throne, he lives his live as he pleased. He have everything except for love. Fate really does it work. No one ever imagined how their life's going to be changed from a single hi or shoulder bump. But rainbow never stay. Thunder and storms always comes challenge the vow. Though it's hurt, Lara did what best for both of them, which is to leave. His hand shaking when he open the letter. 'Dear sweetheart, I want you to know that.....' Will she comes back? When he's the one who breaks the vow.