When the school's heartthrob Byun Baekhyun is revealed to be married, almost half of the students from the Art and Design faculty of Yonsei University got their hearts broken in a flash. However, when actor Park Chanyeol shows up at the Class of 2021 graduation ceremony with the most expensive rose bouquet and greets Baekhyun with a kiss, the ultimate chaos ensues.  No wonder no one ever stood a chance.