Park Qi Cai has 5 flawless men in her surrounding, with the same surname; including adopted son and cousin. One day, she crosses paths with a young man, named Quan Xi Zheng, because of a cellphone. He may be handsome and excellent at everything, but also has one flaw - sharp tongue that pushes Qi Cai's buttons. To make matters worse, Qi Cai can never beat him at his own game. Qi Cai's older brothers, step in to help her with handling him, but nothing works, until Qi Cai discovers Quan Xi Zheng's secret, that revolves around a musical score, called March Minor.

Lin Yu, who plans everything, and Chen An An, a smart and quick-witted girl were deskmates in high school for a short time. After eight years of separation, they reunited and live under the same roof. Despite different personalities and dispute, they often comfort each other. However, what they don't know is that a wonderful fate called "Vivian" has already sprouted eight years ago and connected the hearts of these two. Because of "Vivian", they fell in love with each other. And eventually they will bid farewell to "Vivian" and be a better version of themselves.