One a bright spring day before a school trip, Semi, falls asleep on one side of the classroom, and suddenly awakens in tears over an ominous dream. She runs to Ha-eun, who is in the hospital after injuring her leg in a bicycle accident. Semi and Ha-eun are best friends. The film depicts a special day between the two. A spring day, puppy love, jealousy, friendship, small misunde...科幻