Teenager Ray Trueblood is wrongfully accused of murdering a police officer after his fellow gang member Billy Masters does the deed. Hoping to elude the police, he flees Brooklyn, NY and joins the U.S. Marines. Returning 10 years later, Trueblood is dismayed to learn that his younger brother Donny is now running with a gang led by Masters. Trueblood soon finds himself depending on his military training & experience to protect his friends and family from the ruthless Masters.