Bei Er Duo, a girl from an ordinary family, dreams about studying in Japan to be a professional voice actress. In her desperation to raise funds for studying overseas as well as helping her best friend Tang Li out of a crisis, Bei Er Duo joins a couple reality program, encountering top violin maker Ye Shu Wei. Ye Shu Wei is from a family of artists and has a low-key, mysterious, and genius character in both the composing and violin industry. Because the reality show is faced with the crisis of integrity, Bei Er Duo and Ye Shu Wei start a lively and funny cohabitation life, and spontaneously fell into the fate of a wonderful romance together.