10 years ago, Jung Jihoon was a struggling 23 year old writer. He had no inspiration, no publisher and most important; no book. Then he falls for a high school girl; the beautiful Sarah Yoon. Desperate for a chance to be with her, he pretended to be his younger brother and the two dated. But such a scheme was destined for failure. After his truth was found out, Sarah dumped him and moved back to America. Today, Jung Jihoon turned his heartbreak into a bestselling novel. "Kiss Me Under The Cherry Blossoms" became a problematic South Korean modern classic that Jihoon's made millions off of. Now engaged, rich and living the life, Jung Jihoon still yearns for the girl he fell for so many years ago. So what is he to do when Sarah returns to South Korea, dating his brother no less?