Seo Ji Won is a budding web-based cartoon author who decides to devote her undivided attention to her craft – forsaking love in favor of her career. And her decision pays off. By the time she is 25, she is a published author. Now, aged 30, she has become a well-recognized writer with scores of devoted readers. But turning her back on romance turns out to be harder than she first thought when Lee Seung Yoo, her first love from her middle school days, returns to the scene to turn her world upside down.