Kung Fu Dunk (2008)

Shijie (played by Jay Chou) was expelled from the kung fu school for causing trouble outside. He is an abandoned baby and has never left school to make a living outside. Although the school has an unlearned principal and four eccentric senior uncles, it is still Shijie's refuge. On the first night of wandering outside, because of Ben who threw the soda can into the trash can...