song ou has been chasing cha chen since he was a child. the two went to school together and grew up together. then they started their own developments at university. cha chen was inspiring to become a doctor, while song ou wanted to become a painter, and the two finally got together in college. however, love in the student days always comes hindering when graduation, and their love is no exception. because they are busy with their studies, the two spend less and less time together, which leads to aggravation of conflicts, and even three years of separation. three years later, the two met again by chance. three years have made both of them more mature and have a deeper understanding that there are still each other deep in their hearts. when the depression in their hearts is untied, the two of them will eventually be