Lixin Ying ( Bernice Liu ) obsessed with dance as one applying for the Hong Kong Dance Company in the supermarket , but before the exam met brother Lili Jiang (Lai Yiu Cheung ) and his colleagues Cheng Jiajun (Steven Ma) , Ying accidentally Jun trolley stumble , so that the surplus in the selection of test inaccurate and missed opportunities . Ying decided to accept the Jun mother 's invitation to the community dance center to teach Latin dance to raise tuition to go to foreign post-graduate . Surplus everywhere in the heart of others , teaching without ...