Code of Silence (1985)

In the gritty streets of Chicago, Sergeant Eddie Cusack finds himself embroiled in a deadly gang war after a botched sting operation. As he investigates the escalating violence, he faces ostracism from his own colleagues for his refusal to cover up police misconduct. Cusack battles against a powerful drug lord and his ruthless gang to bring justice to the city's streets, even as he stands alone against the code of silence.