After breaking up with Jeong Hoon, Ha Jin spends every day in sorrow because her feelings for Jeong Hoon are still strong. Although she really misses him and is moved by Jeong Hoon’s continuous caring gestures, she is determined to end the relationship for the sake of Seo Yeon. Meanwhile, Tae Eun finds a rough copy of a book about Jeong Hoon’s condition at his father’s office.