An enduring love story in 1987 Seoul; Young-ro, a female university student, treats the bleeding Soo-ho, a student attending a prestigious university, who one day jumps into a women's university dormitory despite the dangerous situation.

• Jung Hae-in
• JISOO
• Yoo In-na
• Jang Seung-jo
• Yoon Se-a
• Kim Hye-yoon
• Eugene Jung
• Huh Joon-ho