There is never a more beautiful story than that of love at first sight. What about years of knowing a person and then experiencing the first sight of them as a soulmate?

We love with our hearts but the heart too sees from the eyes. We try to find the diamonds that would capture our hearts and which we will then treasure all our lives.

What if the diamond, the biggest of them, lay under our nose all this time? Uncut, unpolished, keeping within its depth the brightness that would blind all but the one made for her. 

This story is about our resident diamond. Song Ji Hyo, permamnent member of Running Man, the Ace between her teammates, and a woman among the men. 

Only there is one particular male who has to open his eyes.