Cole helps Isabella who was lost in campus. When Isabella starts to think about meeting Cole again, they meet again in school retreat. Through the secret cupid game and the help from her classmates, Isabella slowly changes. First encounter and kindness in college, and my secret cupid.

Chan-woo finds it difficult talking to Sul-hee, who seems to be always angry about something. However, what he says to her actually makes her heartbeat like crazy! A sweet, romantic story of a young couple’s first love!