A Fist Within Four Walls – 城寨英雄

A Fist Within Four Walls (Chinese: 城寨英雄; Jyutping: sing4 zaai6 jing1 hung4) is a 2016 Hong Kong martial arts action television drama produced by Jazz Boon and TVB. It premiered on TVB Jade in Hong Kong, Astro On Demand in Malaysia and TVB First in Singapore on 1 August 2016. The final episode aired on 28 August 2016, totalling 28 episodes.
A Fist Within Four Walls takes place in the triad-ridden Kowloon Walled City in the early 1960s.[1] The plot revolves around Chor Au-kuen, a gifted martial arts novice who takes on the duty of protecting the walled city against evildoers. A Fist Within Four Walls is the highest-rated drama of 2016, and received generally positive reviews during its broadcast