After Yoongs's girlfriend died in a car accident, her heart was transplanted to a girl named, Jessica Jung sooyeon, whom Yoong is looking for right now.

-PROLOGUE-

Inside the dark, vast room, the well-known virtuoso was lying down on his bed, staring at the cream-colored ceiling. The buttons on his long sleeve were slightly askew, hair messy and sweats forming on his forehead.

"Yoong, when are we going to get married? Sorry if I'm impatient but I can't really wait any longer."

He gazed to his side table, reaching for a pink and blue picture frame that holds a picture of him and his deceased girlfriend, Seohyun.

"This is the most beautiful necklace ever been made. Thank you, Len!"

He sat up, staring at the frame with dull and emotionless eyes.

"Look what I bought! It's a book of baby names. I know it's still early for this but… want to think of a name already. So… will you pick a name with me? heehee."

His thumb was running up and down on her picture, remembering her figure and calming expressions.

"I…"

"I love you, Yoong!"

"I need to find her… The girl who has her heart…"