The unfinished song

A girl named Cassie is a song writer and a singer, she writes songs when she feels emotional. She wrote a song but it's not finished, because it takes a long time to finish it. Her best friend named Zane always supports and makes her happy. Cassie had a huge crush on Zane, at first she was afraid to say it. But now, she has the courage to say what she feels about him.

What's gonna happen at last?