Unbeatable (2013)

The former Hong Kong boxing champion Cheng Fai (played by Nick Cheung), after declining in the boxing world, became addicted to gambling and was heavily in debt. To avoid debt collectors, he fled to Macau. In a shared house, Cheng Hui met a mother and daughter. The mother (played by Mei Ting) suffered from mental illness. The little girl (played by Li Xinqiao) not only had to go to school but also took care of her mother. ...