When she starts working at a café owned by a quiet and mysterious woman, university freshman Si Ying meets the ultra-cool master barista A Bu-si and delights in getting the chance to stare at her crush, café regular and seeming playboy Ze Yu. One day, the happy-go-lucky A-Tuo, a senior at Si Ying‘s university who has quite a reputation, comes to the café with his friends, where he sees the person who stole his ex-girlfriend - A Bu-si. His friends proceed to tease him mercilessly, and Si Ying, who has a great sense of justice, decides to tell them off. From then on, Si Ying and A-Tuo become confidants and great friends, with A-Tuo harboring feelings for Si Ying. When A-Tuo decides to leave Taiwan to achieve his dream of traveling around the world, Si Ying is forced to face her real feelings for him.
