Youngwoon will do anything and bear everything, just for Taeyeon.

Falling, falling, I am falling, and out to you my heart is calling. Now without you I can't survive, because you're the only thing keeping me alive.   You came to me in agony, an angel from the sky, cold, wounded and shaken.

It's the story of Kim Jaejoong and a girl named Amy. He lied. She never knew. She lied. He found out. She is now defenseless against him and asks for nothing but his love.