Another Zero in the System (2013)

Plot

A former convict takes justice into his own hands, driven by a fierce desire to rid his neighborhood of rampant crime. Haunted by the murder of his sister, he embarks on a relentless quest for revenge. Each step he takes to eliminate the threats around him pulls him deeper into a dangerous spiral, risking not only his life but also his very soul. As he battles against the odds, his mission to restore safety becomes a perilous journey that could ultimately lead to his own downfall.