Best-selling novelist Lu Han goes to his grandfather's house in order to cure his serious case of writer's block, where he discovers the beautifully written love poems of his ancestor (a famous poet) and the quirky teenager named Sehun who lives in the bakery next door. 

Jung Soojung may be the prettiest girl in school, but she's also incredibly shy. When she gets rescued from the rain by a mysterious student with a pink umbrella, Soojung dedicates herself to finding out the identity of her mystery prince. Except he's actually a sociable, talkative female classmate named Choi Jinri.