People say they're "on cloud nine" when they are truly happy. As if in a bliss. That's what Kang Jiwon, an aspiring script writer, is currently in...

A perfect boyfriend. Caring and supportive friends. A loving family. Jiwon has it all along with her talents etched in her works.

But when she meets a mysterious man named Lee Jaehwan, Jiwon's blissful heaven begins to crumble. Leading her to the other side of "cloud nine"