Zhong Ke Ke rescues Tang Shao Lei from a street fight. Although she assumes that he is a "Moonlight Brother" (those who spend their money before they earn it), nevertheless, they fall in love. Ke Ke's brother, Zhong Yi Fan, becomes a taekwondo instructor since the family business wasn't doing well. He gets to know student Li Dong Dong's single mother Tang Shao Yin and the two fall in love. Later, the
