![Mank](https://image.tmdb.org/t/p/w185/4yzTcAtvzyZLLto4z04xobUK9el.jpg)
Lo Ka Yiu, a young ad designer who is sentenced to jail for manslaughter, has gotten himself in trouble with the corrupted wardens and fellow inmates of Triad background. Chung Tin Ching, a veteran inmate and Yiu’s mentor, is forced to confront his comrade’s enemies time and again, leading up to the final showdown with the head of security.