It's been 2 years since Kai attemped suicide...but on the night he tried to jump off a building, something unbelievable happened to Kai.

Someone stopped him.

That 'someone' changed Kai's entire life, but the only thing they left about themselves was a simple name.

Kim Jung Ah.

And Kai was determined to find her. But after those 2 years, Kai had also found something that he loved and he was very talented at.

Dancing.

Not soon after he discovered his talent, someone discover him. Now he is a korean pop star, famous in various countries. Being a trainee, he was busy, too busy to try and find Kim Jung Ah. 

But finally being debuted, he can find Kim Jung Ah.

But she's not all that Kai's finds, he has some things yet to discover...