In the gritty urban sprawl, a sinister, unhinged man named Stingray is on the loose, leaving a trail of destruction and terror in his wake. Consumed by rage after his wife leaves him, he channels his anger into brutal street fights and random acts of violence, preying on innocent women. His murderous spree catches the attention of the local authorities, who are desperate to track him down before he claims another victim. With each confrontation, Stingray's actions become more erratic and deadly, slipping through the fingers of law enforcement at every turn.

Enter a strong-willed and skilled young woman, who spends her days serving in a diner and her nights fighting in underground street-fighting competitions to support her younger sister. When tragedy strikes and her sister falls prey to Stingray's relentless fury, she vows to bring the killer to justice. Embarking on a personal mission filled with vengeance and determination, she sets out on a collision course with Stingray. With her fighting prowess and a burning desire for retribution, the stage is set for a showdown between the avenger and the predator in the seething streets of the city that never sleeps.