A military contractor hired to seize a weapon that turns people into savage killers seeks revenge when his brother falls victim to the device.

After a teacher dies, his best friend — a former cop — takes a job at the school where he worked to confront the gang he thinks was responsible.

After his brother dies in a car crash, a disgraced MMA fighter takes over the family nightclub — and soon learns his sibling’s death wasn’t an accident.

Kuba’s sister falls seriously ill. In order to gather the required money for treatment he starts taking part in illegal car races.